Ah, of course Sheldon "Why be normal?" Brown has been there!
Spoke to him on the phone once, nice guy, was going to buy a 'special' fork from him, but it was towards the end sadly,
for him. (...& for ALL of us!) ..so don't know what happened to all his wonderful creations. Anyone know?

I suppose it would be a necessity for someone with one leg, the left leg..right?
Why do BMX-ers do it? Does it have to do with the direction of the track> ?
Or to Psyche others out?