Giantess Marissa does not like bullies. When she realized that this guy was one, she had to put a stop to it. She chose to teach him a lesson, and she did it by giving him a taste of his own medicine. She cruelly turned him into a tiny man by crushing him with her giantess fetish. He did not know she had those powers, and he nearly shit himself as he realized how powerful she was.
Giantess Katelyn could not stand her slave's disobedience. She wanted to make sure that he never did what he had done. So she punished him cruelly and painfully. She used her strong feet to crush him all over and make sure he was in a lot of pain. She loves crushing people and things so she crushed him so hard that she found that she had turned him into a tiny man.