You take a box of matches from your pocket and then proceed to impossibly balance it on your fingertips. You explain, "This is a very strange box of matches." As you speak the matchbox flips over on your hand! "They look like ordinary matches, but they're not." Now the drawer slowly slides open by itself! At this point your audience is really impressed, but you're not finished yet...
Say the magic word "Viagra" and a 2 inch tall match jumps out and stands on top of the box! Wow!