Liza's slave is tightly secured and hooded awaiting his Mistress and her daily whims. Today she decides she wants to have fun with a zipper, so after tormenting his nipples she attaches the zipper device. After this is cruelly removed to her delight, she selects a specially made 'nipple whip' to begin an onslaught in his exposed nipples. She strikes the whip harder and faster aiming each time for the slave's sore and painful nipples...