What if we strapped a girl in lots of leather belts and a leather armbinder, then applied the tallest posture collar we can find, and gag her with a huge harness ballgag? And then leave her just standing there... Surely she would start suffering very soon. We think... But there is only one way to find out, so we do all this to poor Vivi. A posture collar and a large gag, that is a very hard combination, as we explained before. The collar pushes the jaw up and the gag pushes the jaw down. Vivi's head is completely fixed, no movement at all. She is just standing there... suffering...