Mistress Angie was frustrated by her slave's refusal to workout even though it was good for him. She had to make him do it so she started him off by trampling him and crushing him in a bad to make him lose weight. She knew he would not lose weight that way but she wanted to make it hard for him to refuse to workout and in a few days, he started working out.
When this mistress found out that it was this guy who had snitched on her, she knew that there was only one way to deal with him and she did it. The mistress forced him to lie down and she crushed and stomped on his face with her sneakers. She wanted instant change in him and after what she did to him, he never snitched again as he knew it would not end well for him.
Lady Scarlet felt that her slave had become too much and she had to punish him. She did so using her sneakers. The mistress did not care what the guy felt and she head trampled him so that he got the lesson into his head that she would not let him continue to behave the way he did. The pain he felt as she jumped on him made him change.