I'm guessing you want to learn how to do this because someone you know can do it and it looks cool, or you've just heard about it and think it would be cool. Well, you wont look very impressive if you choke on a rubber band. :/
Try picking up another unusual skill like contact juggling. Contact juggling is where someone moves a ball around their arms, hands, the backs of their hands, and so on. So you juggle it, but without ever letting go. It's cooler than it sounds. Here's a website with lots of information about it: [Link](Mouse over link to see full location)
The main page also has a video, so you can watch it and see if it looks like something you'd want to learn. [ Amarete's advice column | Ask Amarete A Question ]
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