These sisters got into a number of very inappropriate situations with each other to please their love-toy and boss, the late Hugh Hefner.
In fact, it's quite the opposite.
Some of the images below show some pretty deranged sibling relationships; all of which need professional help.
It's just a tad unnerving given the fact that the sister bending over seems a tad unwilling.
Well, it doesn't hold a candle to these siblings.
Said No One Ever via Thoughtlog.