(bigoltool @ Sep. 14 2006,04:36) You can use em to get your feet up and back for more ground clearance, down and forward for more comfort, Basically just to tailor the ergonomics to your particular desire. On a roadracer you use your feet a lot (more than you think) to steer so they help optimize placement. Plus most of them look trick and have nice bearing at the pivots for better control too!
The Cycle cats are on my wish list!