You'd have to be playing it pretty hard... My synthesizer has solid keys, so it's a lot harder to break them off. The old one had little "tags", basically thin pieces of plastic that were good for nothing. Plus, the GAVE you the mechanical advantage to break them.
Trust me, chicken feet soup is not, by far, the grossest thing I ever heard of.
I read it already, but I kind of laughed. I mean, what the hell? I had to ask him if he understood the concept of a thread. I mean seriously...