Mistress Gaia had eaten some bad food from her slave and she was angry about it. She chose to punish him by biting him. She wanted him to understand the kind of pain she had while eating his food. She wanted the pain to be a motivator for him to do better and learn to cook better meals. So she crushed his fingers with her teeth to send a message.
Mistress Gaia did not like how lazy her slave was. So she bit him to not only make fun of him but to also punish him for being lazy. The mistress wanted him to learn to use his hands and his fingers to work and to be productive. So she bit his fingers and told him she would do it till he learned to be hardworking. The loser had no option but to he hardworking.
Mistress Martina does not like slaves and losers who do not do what she asks them to do. This one was one of them and she had to teach him to obey her. She did this by biting him all over his body. She did not do it in one spot but rather did it all over his body to teach him a lesson. It worked and he learned to obey.
Mistress Danielle wanted to teach her boyfriend a lesson. She had found him french kissing another girl. She could not stomach it and she punished him cruelly/ She used her teeth to bite his dick and make the poor guy cry and beg for mercy promising never to do any of those things again. She let him go after he had cried himself hoarse and she felt he had learned his lesson.
Lady Kara loves biting people. She had however never been bitten before and she wanted to experience it. So she chose to bite herself as opposed to having someone else bite her. She could not believe how painful it was and she had to stop midway because of the intense way she bit herself. That was when she realized that it was a cruel and crazy punishment she liked to use.
Madame Marissa loves to bite as punishment. She knows how painful it is when she sinks her teeth in someone's flesh. She loves to use that punishment and get someone screaming and doing what she wants. She also loves how the person she is punishing gains a new level of respect for her after that. This slave had stolen from her and she had to painfully punish him and teach him a lesson.