When this slave proved to be disobedient, he had to be punished and these mistresses did it in a way he never thought was possible. He was forced to lick their riding boots and he was also made to endure the pain of being trampled. He cried and wished they had let him go but that was just wishful thinking on his part. He had to change and he did it.
This guy was not cooperating with this mistress and she was pissed at him. She did not want to allow him to mess her up so she tortured him cruelly. The mistress could not think of a better way to punish him than to use her riding boots. She used her riding boots to inflict pain on him and she even rode him like a human pony. He cooperated with her after that.