This guy may truly have brass balls.
Not convinced? Check out this angle:
The man with the so-called "iron crotch" doesn't seem too fazed by the repeated blows, perhaps owing to the tolerance training he undergoes, Record China reported.
Or -- and we hate to doubt his tool toughness -- the guy ramming the box might be holding back or there's some other dickfoolery going on.
One Kotaku reader offered this possibility: "Let’s hope he’s already had offspring, because those fellas ain’t working anymore."
The beginning of the YouTube headline also attempted to sum up the recent exhibition: "Ouch!"
Also on HuffPost: