Lady Scarlet had to tame this guy because he was a con. She was not ok with letting him continue conning people the way he had conned her. That is why she had to punish him. The mistress ensured that the guy was tired and in pain by cruelly riding his back with her friend and nearly breaking it in the process. He cried but they ignored him and whipped him to make him continue.
Lady Sarah was using this human pony as her means of transportation but it was slow. And she felt that the best way to make it faster was to whip it. So she did it despite the fact that her human pony was naked. And it was also cold. But she did not care as she got the results she wanted by the human pony being significantly faster than before.
Goddess Vanny is the sort of mistress who does not like to repeat herself. She expects her slave to be sharp enough to get something once. And when her slave was not sharp enough to decode what she was telling him and he wanted her to repeat herself, she chose to punish him by turning him into a human pony and whipped him at the same time she rode him.
Mistress Anfisa and her husband were playing a game and they had agreed that the winner would ride the loser like a human pony. None of them wanted to lose so the game went on for hours but finally she won. And she had a great time turning her husband into a human pony and riding him all over the house. He looked forward to winning the next round so that he could make her do the same.
Mistress Anfisa has a hot ass and many guys find it hard to resist it. She knew that and she used it as bait to lure this loser for pony play. He thought it was a naughty thing they were doing together but he was shocked when it turned out to be that she was having fun at his expense. And he could not do anything about it except to do what she wanted.
Mistress Joschi loves her pony slaves. She had a new one today and she could not wait to ride it. The mistress first of all made sure the human pony was naked before she did her thing. It was the sort of thing they pony slave had never had done to him before and not only was it new, but it was also brutal and he begged her to stop.
Princess Violetta and mistress Joschi found this guy repulsive but he thought he was God's gift to them. They hated his guts and wanted to tame his balls. So they invited him to their house where they turned him into a human pony and rode him naked all over the house. They did it while naked too so he was double dominated as he was turned on but could not get some and was physically dominated by having to carry them around.