Mike is right,
I had one on my A10 when I got it, it was for comfort with rearsets(hah!)
To use it, you have to bring your foot quite far forward (this can involve climbing up the tank), to get it on the lever, and push it backwards with your foot, until it is at the point where you can can kick on it.
I know its not that fiddly, but if the bike should decide to become difficult to start...combined with a folding kickstart lever that folds back in with every unsuccessful kick, a kickstart rubber that keeps trying to come off the shaft, belstaff overtrousers which keep trying to eat the kickstart, heavy rain, rucksack, and a hangover................ Oh the joys of motorcycling!
Cheers,
Iain