Princess Kitty needed to punish this guy and she did so to instill fear in him so that he would never try to piss her off again. She had to make sure that things worked out the way she wanted and that is exactly why she did what she did. He was turned into a pantyhose slave and he had to endure it all. He got the message and learned to stay in his lane.
Princess Kitty wanted to see which one was more powerful between teasing and humiliating. So she teased this guy with her pantyhose and she turned him on. But then again she used the same pantyhose to humiliate him. She wanted to find out which one was more of a motivator than the other. And the mistress had her answer by the time she was done humiliating him and teasing him.