More Kinbaku-bi
Kumbawa. Japanese spend a lot of time squatting. They squat during breaks while working outside, or inside where there are no chairs. They squat while using the "binjo" (toilet) because they're built into floors. However, not many of them are forced to squat while they're bound as the girl in the photo is. This will result in a lot of strain after awhile. And if you don't think the ropes are tight, just take a look at the last photo at http://secure.spicecash.com/gallhit.php?103171,336,3,1,0