I was just curios because I can do some fairly strange things.
So just say what your talent is and when and how you learned how to do it.
Me? This is kind of disgusting, but forever I've been able to suck in MASSIVE LOUD burps. No joke. This is even more disgusting so *WARNING*, One time I was taking a dump and I sucked in air through my butthole, so I can suck in farts at will too. It's crazy.