Lady Rockabella knows how to use her ass to humiliate and to punish. Today she threatened to facesit this guy with her hot ass and she chose to punish the guy by making him pay her to stop. She sold the narrative that it would not be good for him if she went ahead with the punishment. That is how she prepared him for findom humiliation and he took the bait.
Before she rolled it out to many other people, this mistress felt that the best way to deal with this guy was to use him as a guinea pig. So the mistress cruelly turned him into a cash cow after she had teased him a little and she had turned him on. She took advantage of him being turned on to make him a financial slave. And it worked so well that she knew she could do it to others.