it is a piece from big movie, I saw it couple of years ago. unfortunately I do not remember the name of movie... maybe you can find it and watch, you will understand
Every time the lights came on electricity was sent thru the metal bed. He put the log under her to make sure her tits/nipples & hips stay touching the bed.
Ein extrem wichter Punkt auf der Liste von Dingen die ich noch erleben muss ist es eine Ahnungslose schlampe so und noch extremer zu elektrischer Grenztestung mindestens 12h zu stimuliert zu haben ohne Brake
Strictly speaking, this isn't BDSM. This was Lina Romay in the quite tasty movie, "Barbed Wire Dolls" - 1976. I remember watching it when I was (much) younger. Probably one of the reasons I'm a perv today lol. The plot is a typical women's prison movie. I remember watching it on VHS way back in the day.