A new martial arts video in China reportedly teaches men how to make their crotch as hard as iron.
In the video, a monk named Shi Yanwu demonstrates Tiedang Gong - or 'Iron Crotch Kung Fu' - by having another monk kick him in the privates. He is also shown with another monk hanging by a rope from his penis, and using his penis to pull a heavy stone roller.
If that wasn't enough to send you over the edge the CHECK THIS OUT!!!!
I was looking for a picture of a painful face and ended up with this gem!!!!!!