>>Speaking of odd bodily movements, I can do a single hand clap. There goes the proverb, eh? Actually, one of my daughters can do it too. I just haven't found a good way to make money out of it - Guiness is not paying any, and I'm not sure I'd like to be on TV. Maybe just betting, eh? And betting double for a stereo effect :)
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>How can you clap by one hand? It seems to be impossible... Too bad, I can not see you in person doing it...

It's easy, if your fingers are long enough and joints loose enough - then it's only a matter of proper motion, which can be learned.