Mistress Gaia and her friend love horses and since they loved in a house where they could not have pets, they decided to have human ones. They turned this loser into their human pony. They rode him and enjoyed whipping him whenever they felt he was getting tired or not following their instructions well. It was humiliating besides being painful for the slave but the mistresses did not care about what he felt.
BBW Lady Cathy loves when it comes time to train her human pony, she loves humiliating him as much as possible when she places a leash around his neck and ball gags him. This BBW Mistress verbal humiliation as she rides on the back of her humiliated slave telling him which way to go and walking him around the driveway like a prized pony. This mistress knows how to do her job!