Tomity's chain whip:


Basically it uses the rotafix trick. It can't pop off, so no more skinned knuckles from chainwhip accidents. You can do the same thing with any other chain whip, just take the little shorty piece off and put a foot or so of chain from the farthest out hole to the next one in.

And no fair going to market with this, it's Tomity's idea and my hack.