For those who don't really understand how hard it is to physically exert while in bondage, think about it this way. Once you are tied, your heart has to beat harder to push what is in your veins past all that tight rope. But that's only the beginning. Now you are hogtied, committed by predicament to exert which makes the heart beat harder. If that isn't enough - which it is not - then put tape over the ballgag holding your mouth open which seals the mouth. Now ONLY your nose can bring in all that air that your body so desperately needs. Think you're tough? Zonah sure is. Lets give her a huge round of applause. She loves this stuff and can do it like few others