Mistress Naomi is desperately trying to find ways to make the idiot slave useful. While taking a break, she orders him to be a good ashtray and eat up all the ash from her cigarette. The slave happily sits next to her on the floor, which is the perfect moment for Mistress Naomi to put the chair's leg right on his ball. Now the slave is trapped and have no choice but to function as an ashtray while Mistress Naomi is putting her weight on his sore ball.