My first memories are of someone rubbing the site of where the needle went in with an alcohol swab, it was my birth into pain. For days, weeks, months, I pulled the laden wagons out of the mine. At first the wagons I pulled were only part filled but as I got stronger and my feet got hardened to the sleepers and hard track under them so the wagons got heavier until like the others, the wagons I pulled were always fully laden. The only rest or ease we got during the day being when we pulled the empty wagons back to the loading conveyors at the mine head or when we were fed and watered. The food was bland but nourishing and though we weren’t starved, because we worked so hard, we were always hungry.

At night we were collared and chained before being released from the wagons to be attached to the lead line that drew us through the showers The long line of jetting water was just long enough, if you were quick, to get clean before strong blasts of warm air blew most of the water off. We were never free and the line never stopped until each of us was led into a separate stalls. It was all automatic and other than the few overseers that collared us to the line or chained us to the wagon, we saw few people. There were male slaves at the mine though, in addition to the overseers but we never saw them, we were always locked away before they came out the mine itself and we were not brought out again until they were back down it.

The stalls were all the same, a hard thin mattress, a hatch through which food came and a hole in one corner which you could use to pee or crap. Not that we did much more than pee, our waste was little more than sheep droppings, dry, firm pellets that hardly smelt. When working we would have to pee wherever we were when the need came on us, the same if we needed to excrete, the pellets would collect between the sleepers of the cart tracks but quickly dry and crumble to dust in the dry air. The stalls we occupied at night weren’t particular to any of us either, it was pure luck if we went into the same stall twice in succession so we never developed any feelings of home. Not that the stalls had any individuality anyway, they were little more than alcoves. There was no door, it wasn’t needed, the leash was too short to allow us to leave or even see around the wall into a neighbouring stall. Not that it would have done any good being unable to speak. I know I could speak once, words and questions filled my head but I could only moan or scream now.

Often at night the overseers would come and use us. We all wanted to be used. The sensations being used gave were like colours in a drab landscape. At first, if an overseer didn’t visit me I would try to masturbate, I knew straight away that it wasn’t going to be the same as being used and obviously there was no reward but it was better than nothing. I only got away with it once or twice, ultimately they always caught you and you got whipped, not the pleasure whipping either, welts were raised! Worse though was that after they would ignore you until the welts went.

I had learnt quickly that sex helped me sleep, otherwise in the early days I would lie trying to remember what I had done that was so bad as to deserve this life. In my previous life I must have been very wicked! As I became accustomed to my life and I grew stronger my breasts grew too until they hung large and heavy below me as almost horizontal, I pulled the wagon.

It pleased the overseers the way my breasts were developing and they liked to watch me because of their size and mass, as they swung and swayed, so it pleased me too. I had learnt to suckle their prongs and enjoy the sweetness of their cream, it was as good as the treats they gave me after I was used if I had been particularly good. I always tried to be good. So when they began to use me as I held my breasts together and moved them to work their big prongs as they fucked my tits, I liked it too. I would lick their cream from my breasts when they spurted and I always put on a display doing so because I learnt early that it would often get me more attention.

I grew to enjoy the overseers eyes on me, who in spite of many other girls having full breasts, seemed to take particular pleasure in watching me pull my wagon. My breasts were so big by now that the underside was almost level with my navel when I stood straight and they moved a lot as I pulled. They also became more of a target for the switches the overseers used to encourage us to work hard. I didn’t mind too much, other than when welts were raised when I was punished rather than encouraged, I found the attention of whip, crop or taws exciting. Sometimes I would be left to last to be watered and two or three of them would use me in succession even as I stood leaning against my chains being allowed to drink. I would see the look of envy in the other girls eyes. But it gave those behind me in the wagon string a longer rest if I was being used so, especially if my butt had been brought to a glow first and they decided to use it rather than my cunt, so I didn‘t feel too selfish. How the slap of their flesh against my glowing butt would excite me, it made me moan, whine and scream until my throat was sore!

Eventually they worked my breasts so much, suckling and fondling them, that my breasts too began to give cream. How it delighted the overseers and I got more attention than ever! Of course if I was left too long without being suckled specks of cream would drip from them into the dust of the track and would moan and whine to attract attention. I suspect it annoyed the other girls hauling their heavy wagons, the more I got used the less there was for them but it wasn’t my fault was it?

What was to be my last night at the mine I got a lot of attention, five maybe six times I got used. Next morning I got special treatment before being chained to a wagon. Two overseers tidied my hair and oiled my body. I knew something was up now because the last time I saw a girl treated so she disappeared. I felt nervous and frightened but excited too because I didn’t think they would treat me so if I something bad was going to happen to me.

The sun had moved only half way to its zenith and I’d hardly worked up a sweat when my wagon was diverted off the main track. A couple waited there. The man, tall and well built in a short purple edged tunic so white as to almost dazzle and the metal fittings on his sandals were of gold and they gleamed too in spite of the dust in the air. The slight woman by his side was also in a gleaming white and purple trimmed robe though her face was half covered with the edge of her stole held to protect her from the dust.

“Strong, milk laden breasts and ever eager to please. A fine draft animal, and more should you wish to train her.”

“I’ll be the judge of that.” He came to me as I stood in my chains and checked my teeth and hefted my breast, before squeezing it to make me squirt. My cream drenched his fingers and he licked them clean . “She certainly tastes sweet sister. Would you care to taste?” Delicately the girl stepped between the rails and I realised that she was no taller than I. Her small hands lifted my breast and under her stole her soft lips clamped around my teat and suckled. I gasped and felt my pussy weep as it did when the overseers used me. Soft hands explored my cunt.

“Sweet indeed brother and she’s a hot piece too.” Her face still covered, she wiped her pussy wet hand on my tit and stepped back to her brothers side.

“We’ll take her. Ring and brand her and my men will collect her this afternoon.” As he stepped away he took out a communicator, pressed a series of numbers and turned away to speak in to it. My time at the mine was almost over.

A bad tempered man collected me in a sun wagon. The inside had no windows though the roof was translucent so I wasn’t in darkness. An old thread bare blanket was all that I had to pad the floor but I suspect that the driver gave me that to protect his floor rather than the other way round. “If you have to piss or anything do it on that.”

The whine of the sun motor was loud in the small box and we were clearly going fast because everything bounced and shook and I had to wedge my self tight into a corner so as not to get thrown about too much though several times I lost my balance and was jerked viciously by the chain. I was collared and fearful that I might end up getting choked. At some point though the road smoothed out and we slowed. Now I had time now to contemplate my condition. I could see at least part of what they'd done to me. I stared down at my mount, a large fat ring pierced it deep just at the right point so that whilst it didn’t intrude into my cunt, (They and I had checked that! When I fingered myself I could feel it through the flesh though as it was moved about.) it nonetheless made my fat little man stand proud. I was too sore and swollen to check how that had been effected, thankfully though the cream they’d used after piercing me had taken away the majority of the pain. I could be thankful too that the brand I couldn’t see because I sat on it was a tattooed one. The other would have been too painful to contemplate.

At last we arrived at our destination. The angry driver, a fat bald headed man in a greasy brown tunic with a broad belt and crude brass buckle, jerked me out at the end of my chain and I stood still feeling sick from our journey unconscious of my surroundings. Suddenly the effects of my piercing, the strain and the motions of the journey were all too much and I was sick all over the sandals of the driver. He made cries of disgust and his hand went up to strike me. Lean strong fingers grasped his wrist and I saw the man in the white tunic once more.

“No one abuses my property or punishes it without my express permission.” He looked down at me his eyes taking in everything in one keen glance. “Since you are here a good hour earlier than expected I suspect you have driven like a madman making the stock sick. Equally I can see from the marks caused by her collar that she had been jerked around in a dangerous manner. You will not be paid. Go.” The man protested and swore that he had driven as though on the breath of a seraph., demanding his dues.

“Go. Be thankful that I do not beat you within an inch of your life. As it is I will be reporting you to the carriers guild. Now go before I lose patience with you!” Mumbling under his breath the man climbed back in his wagon and drove from the courtyard with an angry whine. For the first time I noticed a stocky man of middle years with an unnaturally smooth face and a completely bald head. “Ali, take her to the stables, feed and water her and let her rest for twenty-four hours before we start training her.” And with this he turned on his heel and was gone.

Ali collected my chain and he led me to the stable that was to become my home. It was at least twice, possibly three times the size of my stall back at the mine. It had a proper bed with a blanket and pillow. A toilet instead of a hole in the floor with a wash basin and a mirror. I had no memory of seeing such before but I knew what they were. Luxury!

Stable and not stall it may have been but I was still held there by a chain to an ankle cuff. It was pleasant though not to wear a collar around my sore neck and I could see the sky through the open top half of the stable door. I ate the food that appeared through a hatch, similar to that at the mine, then slept for a long time. When I awoke through the open upper half of the stable door I could see that the sun was already high in the sky. Getting up I went to the sink an turning a tap drank the water before splashing my face. My swinging breasts felt swollen and full, I hadn’t gone this long before without being suckled. I tried to ease myself and had some success but I wasn’t used to doing it and I was afraid to ease myself too much because they had paddled me at the mine for doing so. The hatch opened and there was more food. More food and I was scarcely hungry yet! I was in heaven.

Ali came in just as I finished eating and I quickly knelt on the floor as I was used to doing before the overseers and offered up my breasts in a mute plea to be suckled. His experienced eye knew what troubled me.

“Full girl?” I whined a yes, then greatly daring I turned and offered my buttocks to him, holding them apart to display both openings. Still sore from the piercing of my mount nonetheless without the hard labour to tire me and having slept out I had only just realised how ready to be used I was. “On the bed girl!“ Quickly I climbed back on the bed and lay back pulling my thighs towards my chest. He was on and in me in seconds, his long thick prong speared into my wetness and I gasped at its size. I gripped hard and milked it as the overseers had taught me to extract every last ounce of pleasure. My ring protruded little man rubbed against his mount and I began to come rapidly in spite of my soreness. Even as he moved in to me his mouth suckled my teats and I jerked and screamed, I was hot and wanting and now I screamed as I came and I came for a long time until at last I collapsed. letting go my thighs and allowing my big dugs to fill my armpits but there was still enough of me for them to mound high.

As Ali’s weight lifted off me and he withdrew I gathered what strength I had left to sit up and to clean him. He was still hard when I took hold of him and engulfed him with my mouth but where I would have cupped and caressed the overseers balls there was nothing, just smooth flesh as though he had simply been born so. I jerked back in surprise and what spilt from between my lips though sweet wasn’t the cream I was used to. “I’m just as much stock as you girl. It could have been worse, when they gelded me they could have taken my prick as well. Remember though, stock or not I still stand in for the master and you will do as I say or be punished.

The soreness had gone from around my neck and I was collared and leashed again before being led to a shower. After I was dried Ali brushed and tidied my hair in a manner that showed he had done so thousands of times before. Satisfied he led me towards the villa and there I was made to stand in front of my new master and mistress.

“Well Dianna, what do you think.” Her face was unveiled now and showed a full lipped but finely drawn face under dark curls.

“Strong of limb as you would expect any girls from that mine and from the little I supped from her dugs she tasted sweet. But dugs the size of her will limit her speed if not her stamina.” She moved to me and let her hands roam my body. I felt myself quiver as once more she let her hands delve between my legs, touching that big ring that now pierced my mount before moving on to my pussy, I wasn’t really used to women touching me. “I’d forgotten how full lipped and lush this ones sex is.”

“I’m sure your right about stamina however, in truth dear sister, with that face and those tits I feel she will make a good display around town rather than try to make her a racer. As you say her dugs would limit her speed. As no doubt her fat cunt would, if its half as attractive as your making it sound.” He moved towards me and lifted me under my buttocks, automatically my legs parted and I was gripping him with my legs. He slid in slowly, he was as big as Ali but I knew that unlike him, he would have his balls. Earlier, after my shower, Ali had put more of the cream on my pierced mount and though I was sore and tender it wasn’t bad enough to stop my arousal His body was sweet smelling, hard and lean and as his lips sort my teat I couldn’t help but moan with pleasure. I think he delighted in showing both his strength and his virility off in front of his sister, having to hold and fuck me so certainly slowed him but that was all to my benefit and my cries praised his efforts and when at last he spurted copiously in to me and he allowed me to slide down his body I was as weak as a kitten from numerous orgasm.

“Come pet.” She had taken my leash from Ali, they had ignored his presence, just on so many occasions they would ignore me unless I were actually serving them. After all he was just a steer, a neutered bull, and I was just a milk laden draft animal, a mare. We after all were just stock, not people. Meekly I followed her into what I came to know as the woman’s quarters where she discarded first her robe and then the fine silk shift she wore. I was led to the bed and she made me lie down. wrapping my leash around a strut in the head board. The lady Dianna now naked, straddled my body and presented her neat female parts to me and with my big breasts compressed between us squirmed her butt down on my face. “Get busy!” I had never served another woman, or not at least to my knowledge I had not. I did as I was told and I jerked as she seemed to return the service I was doing her but then I realised that to her the pleasure she gave was incidental, she was simply lapping up her brothers seed. “Oh he tastes so good! If only he weren’t my brother!” I tried not to start again, somehow even I with my limited knowledge knew this to be wrong but I dare not show any feelings. For once I was thankful to be mute and so not inadvertently say the wrong thing.

Supping her brother or not she made me come again most copiously. It was another bit of experience and knowledge I added to my world and my condition. A man’s balls weren’t necessary for stiff pleasure, and a woman could satisfy me at least as well as a man.

I got another nights sleep before they put me to work. In the morning after breakfast I was led out by Ali into the yard. Already there was the farrier, he had a pony and wagon of his own. She was a mature woman or rather pony girl. Full of body, ripe of hip and she stood patiently as he worked from the back of the small wagon she pulled. I was made to sit and hold my feet just so whilst he took casts of them. When dried he cut them off with a fearsome vibrating knife that nonetheless didn’t cut the skin. “I’ll fit her out with temporary shoes so you can get on with he training.” Ali just grunted and let him get on. He tried several shoes until he was satisfied but at last he was and the farrier helped me to my newly shod feet. On tip toe and uncertain yet my feet felt curiously springy. Ali let the leash out to its maximum and commanded me to walk then trot in a circle round him. It felt strange and soon my calves ached and though the mines had made sure I was strong I was unused to running. You didn’t run when you pulled a wagon, full or empty. Even if you had, putting your shoulder to a full wagon travelling at any speed wouldn’t have stopped it.

That first day he had me walk and trot around the large park in which the villa sat, for hours. Only ever stopping to water me. Several time I had to ease my bladder when we came to a halt for the briefest of stops but he made no remonstrance it was accepted that like at the mine, animals just let go when they had to.

Days passed, much like my time at the mine and days became weeks. I learnt to trot, to canter and even run for hours at a time, though by the time I learnt the latter my breasts were harnessed so they wouldn't swing out of control. Ali was responsible for my training as well as the care and welfare of the litter bearers used for special ceremonial occasions and as labourers and another draft mare used to power the water wheel in the garden. She was used by the servants so inclined, male and female, whereas I was to be reserved for the use of the master and mistress and their noble friends. The older mare and I rarely got a chance to exchange more than glances with each other though for she was kept in a separate stable and anyway, she was as mute as I.

During this time Ali had introduced me to the carriage and my training became even more stringent. I learnt to pull with a steady, even, high kneed motion whether trotting or at a canter, either of which I could change into a prance at the touch of the whip. I couldn't keep that up for long, it was too exhausting but thankfully it was only required at special times. When at last I got my made to measure shoes they fitted like a glove, the leather so supple and soft that at first I didn’t mind being even more on tip toe. It made my calves ache afresh but protesting was impossible and I got used to them eventually. Now my training quickened as the rest of my harness was fitted , the corset with it framework of straps to replace the temporary one which I’d worn to control my swinging breasts. The single sleeve which clamped my arms tight together and made me project my breasts forward. The plume which gave me a spurious height. The blinkers that kept me looking straight ahead and the bit which now I learnt to obey without question or feel the whip. The whip was ever my constant companion and if I found it exciting when used to encourage, I dreaded its censure. And last but by no means least the plug that filled my bowels. Large enough to make a solid mount for my tail but small enough to learn to bear, just. Between it and the ring that infibulated my mount it worked my cunt and kept me wet.

During all this time Ali and his assistant Ceri, a young man from Gaul, kept me used and satisfied. Neither the master or the mistress used me again though until my training was complete. Ceri like Ali was a eunuch, though like him his cock too was able to be firm and satisfy. His wicked emasculation though was that much more recent than Ali’s and he would sometimes weep as he used me and suckled my teats. I could only try to comfort him with breasts and pussy and so cause him to lose himself in me. I was never sure he realised.

At last came the day and I was harnessed to the carriage , my tack gleaming and my plume full and jaunty. Ceri had pulled my corset that final fraction and ensured my single sleeve was tight as ever it had been before. All this seemed to make my big breasts swell more than ever between the straps that steadied them. Satisfied, his last touch before he led me towards the front of the villa was to clip bells to my pudenda ring as it was referred to. “Walk proud,” he said. I had been trained to within an inch of my life to do no other and as I pulled the empty carriage to the villa’s main steps for the first time, I heard the tinkle of bells that would accompany my movement when pulling a carriage or gig from now on.

Blinkered, my reins tight, unable to turn my head, I didn’t see my master and mistress come from the villa but I felt their weight through the traces as they stepped into the carriage. “Huh!” The reins slapped and the whip touched my buttock without pain and I straight away leant into the traces and we moved smoothly away. At the gate four of the big labourers cum litter bearers in smart tunics and carrying staves trotted out to fall in by the sides of the carriage as escort and for the first time I left the estate and headed into Rome.

The road was smooth and the gradient virtually non existent. Roads such as those I pulled on were reserved for nobles only and I knew from the way in which Ali and Ceri talked, our owners were of the highest rank. At first the “Ching! Ching!” of the bells and their added weight on my pudenda unsettled me then I relaxed and it became like a mantra into which I could sink and my body achieved a metronome like motion that I felt as though I could keep up forever.

Of course I couldn’t, although when I met the first real slope, the strength and stamina acquired in the mines came into play and it just became another hard pull I had to endure. Thankfully the route to the forum meandered in such a way as to keep most of it reasonably flat. I crossed the forum itself at a high prance, as commanded by the whip against my right thigh, continuing up the way to a magnificent palace that was our destination.

I was hot and I gleamed with sweat, though oiled as I was this was largely concealed when I was drawn to a halt at the steps. Managing also to mask my breathless state, as I had been trained to do and just stand tall. For the first time I saw my master and mistress. He was in a full toga and she was robed and veiled. Slaves and servants rushed down to greet them and they were wafted out of my sight. I looked around for the bearers who had escorted us but they had left me at the gate. A man who had it not been for his black skin could have been Ali’s brother led me away and released me from the cart. He eased my tack and allowed me to drink from a water trough but didn’t release me. His hands were on my haunches as I drank and then they began to investigate my pussy and my tits.

“In full milk. I like milk mares.” As I stood from the trough he held on to a rein and captured a teat. I didn’t fight. Why should I? He either had the right or was stealing from my master, either way all I could do was endure and enjoy. Enduring ensured I wasn’t punished and made enjoying possible. He turned me took me from the back after he had satiated himself on my milk. He was bigger even than my master, or felt like it perhaps because he didn’t remove my butt plug. In between the plug and the deep piercing ring his prong created sensations that in seconds he had me grunting and gasping to a degree that even the bells on my pudenda ring couldn't mask.

I was a mare in heat, it was always so. If I hadn’t been before my memories began I had been trained to be so now. I had never even tried to fight it, it gave my life colour and pleasure to degree that only a person without memories or a reason for shame can imagine.

Two hours later after the assistant of Ali’s black double had removed my butt plug and reprised the grunting, gasping, bell ringing, of violent coitus, they cleaned me in case master wanted to use me before retightened my tack and got me ready to for the pull home again.

Wheeled vehicles weren’t allowed in the forum unless you were a high born noble but as I said, master and mistress were very high born. No one appeared to mind as I high stepped and pranced back across the forum just as I had done previously. There were more people than ever now crowding it but the bells on my pudenda ring rang loud and they were a friendly crowd and I was the show. They made way for me but not by a large margin in spite of the bearers either side of the carriage. All seemed to appreciate me and there were calls praising my big high strapped breasts and comments as to what they would do to me if the opportunity arose that had me blushing in a mixture of mortification and titillation. Deeper into the throng I even got cheers and further cries of appreciation at the size and condition of my dugs when flecks of milk sprayed from the big teats on my bouncing jugs onto the citizens that crowded me. In spite of the forums smooth surface my breasts were just too big and heavy for there not to be some movement when I did the high stepping prance. No cries or comments though were directed at my owners, that would have been a step too far and could have got any individual of less than equestrian rank at least a beating from the escort.

In the crowds it took a long time to cross the forum and once more my body was drenched with sweat and my breasts were heaving as I struggled to draw air into my upper lungs. My tight corset precluded me from taking deeper breaths but at last I made it without loosing rhythm or style and was at last able to drop to an easier stride. The hill that I’d had to climb too was now in my favour so that by the time I went through Rome’s ancient gate I had my second wind and the rest of the journey was relatively easy.

“She did well for a first time Ali. I will visit her later and reward her. Have her spread and ready for me after dinner.” And with this they were gone and I was left to pull the empty carriage back to the stable courtyard.

The stress of the first day even more than the long pull and changing pace left me exhausted. After Ali stripped me of my harness, save for my shoes, these rarely came off. The leather had been treated so as to be completely water proof and the thick metal spring sole was impervious so I even showered in them.

He let me sleep for a couple of hours until late afternoon, when he fed me and let me gather myself together. I stood at the end of my leash at the stable door watching the servants and slaves go about their business. Glances were directed at me but no one made any attempt to communicate, what was the point? I was a dumb draft animal who’s only function was to pull and pleasure. Eventually I was made to shower so Ali could prepare me for the master. This was to be the first time he was to use me since he’d taken me so brazenly in front of his sister. Ali was an artist with ropes and he stretched me so tight across the bed with my plaited hair pulled to the headboard that all I could do was attempt to squirm to ease the tension as I awaited for my reward for being a good pony..