Video language: English

Today we return to the laboratory of Doctor London River in the Institute for the Analysis of Agony, where this babe has 2 patients laid up and expecting to be put throughout one more day of anguish. Of course it is all for a wonderful cause, it is important to know just how much suffering a person can be put throughout previous to they snap, and how close they come to snapping on their way. London has her patients manacled up, bent backwards not quite in half with their ankles and wrists hung from the ceiling. Needles have been in their lower backs, fluid oozing in. London moves betwixt the 2, 1st to Abigail Dupree, then to Slave Fluffy, taking data. She pulls the chains not fast, bending their backs further and further. As that babe does so, that babe takes their pulse and pressure, quantifying just how much stress that babe is putting their body below. The answer is, of course, not sufficiently. After their IVs have been removed, London moves the patients so that they're bent over a metal bar, their wrists manacled and pulled forward, holding em in place. Then that babe takes a rod to their butts, seeing what kind of marks that babe can raise and what kind of reactions this babe can receive. After that comes the enjoyment, vibrating Abigail's vagina and then Fluffy's ramrod in turn, seeing what affect the worthy feelings have on pressure when compared to the bad.

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