Lady Tanja liked her assistant because he was resourceful and he was a hard worker. But she realized that he had sole a secret to a competitor and she did not like it. She was infuriated and she used fisting femdom to punish him. The mistress fisted him cruelly in the ass and she did it without caring how much pain he was in. All she cared about was that it never happened again.
Lady Tanja felt bad when she noticed that her slave was stealing from her. She had never punished him before and had always treated him well. But he had taken advantage of that and he had to be taught a lesson. The mistress used her fist to punish him. She fisted him and did so cruelly and painfully. She tied him so that he would not resist as she knew it was brutal and painful.