Goddess Gabriella wanted to trample this guy and she did it to him as she felt that he was her guineapig. She felt that it was important for her to do what she felt to him and so she crushed his head and she did it while her friend watched so that she could learn how it was done and how to di it properly. It was fun for them but not for her.
Goddess Gabriella needed to find a way to degrade this guy and she did it with her trampling fetish. The mistress used her trampling fetish to dominate as well as humiliate him and it was a lot of fun for her but it was torture for him. He learned what she did not want him to do and she made sure that he would never mess with her again. He never did.