We don't even know how this guy learned he was good at putting his head through things and actually we don't want to know either.
This comes with the biggest 'don't try this at home' warning ever (also there's a little bit of blood at the end if you're squeamish. And a fair bit of swearing so here's your NSFW warning).
DON'T TRY THIS AT HOME. Or do, and good luck explaining that one in A&E.
