Cindy loves having fun. But that fun involves humiliating other people especially slaves and losers. She made him smell and lick her smelly and stinky socks
Manon's feet were sweaty and stinky. And she made her slave lick them and smell them as punishment for ignoring her instructions
Jessica was tired of male slaves so she got a female one and enjoyed humiliating her. She made the slave lick and smell her stinky socks
Samantha knew this guy was a loser so she took advantage of him and made him lick her smelly socks and sniff them as well