Great way to snap your neck! Ouch...
He lacks the necessary ninja skills to pull this off.
Giving Yourself a Concussion at The Playground. That's going to leave a mark!
Next stop...the hospital for some stitches.
Looks like he's going to have to learn the hard way.
Damn that was a hard landing. It was a good run up till then.
A bull knocks himself out. Thanks to the person who uploaded this one, I got a kick out of it.
That's one way to knock the breath out of yourself.
Cows should wear seat belts in Russia.
After winning the fight he almost knocks himself out.