A pair of big square shoes with LCD screens on the sides. The LCD screens will show a video of a normal pair of black shoes, with sparkly white socks, alternating between flat position and 'heel up' position.
By standing still but waving your hands in a vaguely robotic fashion, you will appear to be an expert moonwalker.
Tightening the laces leads to increasingly implausable modes, such as 360 degree ankle twists, and trotters.-- Fishrat, Nov 13 2009 videojug: How to moonwalk. http://www.youtube....gtLVzbI&feature=fvw [jutta, Nov 13 2009] OK +-- xandram, Nov 13 2009 How about just putting some kind of discreet treadmill on the sole. It could be locked for walking or opened for moonwalking, perhaps toggled by a remote switch that could be hidden in your pocket.-- Joolin, Nov 14 2009 random, halfbakery