When it comes to teaching people to do the right thing, this mistress likes to make sure that she does it in a cruel way for the message to get home immediately. That is exactly what this mistress did and it was super fun for her and she loved everything and how it went down. She had fun using chastity key to make this guy do what she wanted to be done.
When this mistress noticed that she was dealing with this guy who did not know how to behave, she had to act in a way that he would always remember. She wanted it to be the kind of action that would make him change. So she used her chastity device to dominate him. She caged his dick and hid the chastity key for her own use. He could only use his dick to pee and nothing else.
This mistress needed to make rent and she did this by forcing this guy to pay it for her. She did not do it by telling him but rather by controlling him using her mind fuck femdom. He was glued to her big boobs and that is how she managed to mind fuck him and to gain all the control she wanted over him and she used it to get the money.