Madame Marissa used her converse sneakers to crush and destroy the money this loser had given him. He was trying to buy her love with money and she had warned him but he did not listen to her. Madame Marissa was so pissed with the guy that she cruelly forced him to lick her sneakers and she took the money he gave her and she crushed it and destroyed it.
Madame Marissa was horrified to learn that this loser had been stealing from her. She was disappointed in him and she chose to teach him a lesson. She chose to use her converse sneakers to trample him. She trampled his fingers and his hands to make it painful and to send a message that she would not tolerate such behavior from her. The guy never did it again after that.
Lady Kara wanted her slave to experience some pain. She sat down and thought about the best way to achieve that. She decided to crush his balls and his dick using her sneakers. She used her converse sneakers to masturbate him and it was rough and painful. She then crushed his balls before she stuck her foot into his mouth and tortured him. By the time she was done, the slave wished she had shot him with a gun instead.