Because as well as comedy videos, here at HuffPost UK Comedy, we also like to bring you hand-over-mouth-I-can't-believe-that-just-happened videos.
Welcome to one such video.
Don't worry - the lad in question is fine and in good health. But as we say at the top: do NOT, please, try this yourself. Heaven knows, it's scary enough just watching it...
(Via Twenty Two Words)