[Roll two dice, hit your ass with whip/ruler as the throw]
She laughs even more loud every whipped. After the first set, the target for the second is your ass.
MISTRESS: the secret for inflict the most level of pain is change point to beat every set of whips.
YOU: Damned whore!
MISTRESS: Hmmm... I think you deserve a set for each cheek. We will see if you learn to shut up sometime.
[Each die correspond to the beat of a single cheek]