Mistress has it in for this poor slave and his sacred ass... no longer sacred once Mistress gets into it (and we do mean INTO it!)

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The Hands That Rule the World

Though at first he has to put up with electrodes and clamps, at last the slave can "enjoy" (?) the "pleasures" of an egg vibrator up his male pussy

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Anal Depredation

Mistress has a few tricks up her sleeve for the latest slave to cross her path, including dressing him as a slut femme, shoving a vibrator up his ass, and bullwhipping his butt-cheeks.

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"Your Ass Is Mine"

The Mistresses are dishing out plenty of punishment to a slave who's dressed as a woman and must lick Mistress's shoe clean and stand up to the ass-whipping that's in store for him. What else are the Mistresses planning?

Excerpt from:
The Crack of the Whip

Scene 1: Irene invites her friend Dom Lady X (piercing specialist) over to the compound to have some fun on a bound slave. We begin with Dave in upright suspension while Dom Lady X prepares his nipples by shaving them

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Piercing specialist

Madame Ingrid.s debut on film! Watch Irene Boss and the Super Vixen Bitch suspend Irene.s slave girl fully clothed and then go at the clothes with a pair of sheers. Very nasty things happen to the slave girl while she is tied, suspended and forced to endure multiple orgasms with a vibrator! Whipping, caning, flogging, clothes pin torture, nipple torture, biting, and spanking.

Continued here:
Rope Bondage