I just had a look at one of those on youtube. My guess is that it would work well on a HD, but when you open the throttle on an RIII you would probably end up operating the clutch as you are thrown back. :lol:
I have images of - throttle open - front wheel up - clutch disengaged - front wheel down - clutch engaged - front wheel up - etc. It would make a great youtube video, but probably not much fun for the rider.