Slave in leather strap bondage, tormented wearing gas mask

Helpless blonde submissive bondage slave damsel is all yours! Anyone who is into bondage and hesitates at that command is out of his mind. To have a hot babe like this within your sinister clutches is why you have your own dungeon in the first place. She’s happy to show up but doesn’t have any idea that you’ve got some fiendishly devised extreme bondage device tortures all set up for her! You throw her in leather restraints and then begin to taunt and tease her. You start with some wicked boob excruciation with clamps that tear into her tender breast flesh. She squirms from the pain and delight but soon she sees you’ve another dispicable bondage excruciation prepared for her. A gas mask is an unique approach used only by professional masters of the craft such as yourself. How is this bondage device used?