Madame Marissa did not like how this mistress was sadistic. She wanted her to change and she felt like she had to make it happen as no one else wanted to even try. So she used her foot domination fetish to make it happen. She dominated her and got her to experience what she liked to see other people go through. It was a difficult task and she knew it would take a few rounds of humiliation and punishment for it to work but she was determined.