Every guy knows that getting hit in the crotch hurts. You know what hurts even more? Getting hit in the crotch over and over again.

A Chinese kung fu master and his students recently decided to show off what the video calls their ‘ball-breaking stamina’ by getting hit repeatedly in the penis and testicles.

That’s it. Just a constant barrage of nut shots. If that’s what kung fu is, count me out.

[YouTube]