Mistress Zora did not like how her slave looked at her. He had looked at her suggestively and she knew that she had to put an end to that nonsense. And that is why she chose to use kinky foot worship fetish to do it. By the time she was done humiliating him with her smelly feet, he knew better than to look at her the way he had leading to the punishment.
Madame Marissa has been wearing the same pair of socks for a few days now, and her socks and feet are very sweaty and stinky - just the thing to torture her slave boy with! She amuses herself by forcing him to inhale her smelly socks and then shoves one in his mouth and tapes it closed with duct tape. He's totally helpless now against her deviant femdom abuse.