Mistress Ava Black wanted to humiliate this guy for trying to seduce her yet he was married. She was doing his wife a favor so she went with him to her house and instead of having sex with him, she tied a chastity device to his dick and made him go. She was the only one with the key and she let him stay that was for a few days and it taught him a lesson as he tried his best to make sure his wife never found out.