Mistress Gaia wanted to teach her sister how to trample and that is exactly what she showed her to do. It was super fun for her and her sister as they ganged up on this loser and they degraded him. He had thought that they would go easy on him but they did not. They had fun at his expense and watched as he cried and begged them to stop.
Mistress Gaia was out to inflict pain on her slave as he had done some shit she did not approve of. The mistress chose to use her sneakers to do the punishing and she trampled his dick as cruelly as she could. Mistress Gaia told him to be grateful that she was not doing the same to his balls despite the fact that it was still painful. He had never cried the way he cried that day.
Mistress Gaia is a cruel person and she does not care what happens as long as she gets her way. That is what this guy did not understand when he pissed her off. She took out her anger on him as she trampled him. She did so with the help of her friend. The two mistresses used their sneakers to do it and he learned a cruel lesson and never did it again.