After some struggeling, the slave's hands are properly bound at his back, so Yvette can show her friend what fun you can have with such a victim.
She brings him on his back, takes his air supply short with windpipe-squeeze, then she sits in a high school-girl-pin on his face, burriing him under her round jeans-ass, while Adriana takes place on his belly.
They change several times their places, sometimes one takes place on the others lap for nice double weight pounding.