This slave felt that he could do whatever he wanted. And he did not respect or listen to goddess Lena. Goddess Lena had been watching him and she felt that it was time to punish him and she did so using her stinky socks. With her socks femdom, he had to lick and smell them before she trampled him with the same socks. And that is how he realized that they were not equals.
Mistress Alisa had a slave who did not adhere to everything she said and instructed. She felt she knew how to conduct herself better and sometimes ignored what she was told and did what she wanted. Mistress Alisa did not want that to go on and she humiliated her slave with her socks. The mistress made sure the socks were stinky before she gave them to the slave to lick.
Mistress Karina likes to do things her way. She, however, had a slave who liked to do things his way too. They clashed and she had to show him that it was her house and that he was her slave. She reminded him this by making him lick her smelly socks and her bare feet too. She kept the stinky socks to use in punishing people who pissed her off.
When these sisters go out, they enjoy themselves. They have spent a whole day shopping and dancing. Their feet hurt and are full of funk. When they get home, they fully expect to relax. They call their slaves to them and have them sniff their feet. They enjoy the feeling of hot breathe on their feet, relaxing their muscles. When they take their socks off, they enjoy having their feet licked and toes sucked. This is what relaxation feels like for them.
Mistress Bianca prepares for a shooting. An Assistant enters the room and asks her if he could do something to please her. "Yes" she said "You can actually get down on your knees, and smell my stinky socks. And then I want you to tell me how they are smelling, did you understand?" - the poor assistant was shocked but of course he did what he was told to...