Mistress Sofi, mistress Dorimills and mistress Agma had a message to pass to this guy and they had to do it in a way they were sure would be understood. That is why they chose to fart on this loser and to degrade him as needed. He never messed up again as he knew what would happen in such an instance. He cooperated with them and begged them for mercy and promised them that he had learned his lesson.
This mistress had a lot of time on her hands and she needed to pass time. She felt that she had to dominate as well as degrade this loser and she had to do it in a way that she had not done before for it to be even more interesting and entertaining. That is why she used her ass as bait and then she farted on him for fun.