Mistress Suzanna had to trample her boyfriend because she had noticed certain behaviors that she did not like. She had asked him to stop and to change them but he did not want and so she had to punish him for it. She chose to use her riding boots to do it and he learned his lesson the hard way. He never messed up again as she made him accountable.
Madame Marissa and her friend wanted to get even with this guy because of the things that he had done. He had angered them and for that, he had to be punished. That is why the mistresses chose to use riding boots to torture and to degrade him as cruelly as they could manage to. He never messed up again after that as he knew what would happen to him.
This guy was supposed to do some work for this mistress but he kept lying to her and postponing whatever he was supposed to do. That pissed the mistress off and she used her riding boots to punish him. He was in pain and he regretted what happened to him. But she did not care and she wanted action so she made sure he knew what she would do if he did not do his part.
Mistress Anna had to make her slave stop being lazy. She had tolerated him enough and it was now time for her to punish and dominate him for him to stop that habit. That is why she opted to use riding boots to punish him and make it as painful and cruel as she could possibly do. It was painful as she did it and he instantly regretted his actions and promised immediate change.