Mistress Mira wanted her socks to be sniffed and it so happened that this guy pissed her off at that same time. She took advantage of that to make him sniff her stinky socks as punishment. He had no choice but to do things her way as he was scared of her and what she was capable of. He cooperated with her to avoid any further humiliation and punishment from her.
This con messed with the wrong mistresses and he regretted it instantly. The mistresses used their smelly and dirty socks to teach him a lesson he had never been taught before. He almost choked as he was made to lick and smell the socks. But that was not all as the mistresses caned him when they felt he was not doing it the right way. He never conned anyone again.