This guy was rude and he did not seem to realize that the mistress had done a lot for him. She did not appreciate his rudeness and she had to do something about it. So she chose to tie him and to punish him which she did using her kicks. She kicked him hard in the nuts and he felt pain he had never felt before. He did not want that kind of pain again so he stopped his rudeness.
This mistress had an unruly client and she did not like it. She had tried her best to ask him to calm down and have his issues addressed but he instead became aggressive. The mistress could not let him go on being aggressive and a disturbance at her work place. So she used her fighting skills and especially her mixed martial arts skills to trample him and dominate him until he learned his lesson.