Originally Posted by Drakonchik

That tool is good but won't guarantee that cracking the locking cogs will be "easy". A very significant percetage of locking cogs will be on so tight, with such a lot of corrosion, that they will break your chainwhip and/or defeat you even when you muscle it with all your strength. Good luck!

Personally I would use it in conjunction with a Pedros vice-whip and when a 3-foot cheat-bar.