I just saw this new tire tool on Google+. You hook the little bit under the bead of the tire, hook the big hook over your fork or chainstay and turn the wheel backwards. I usually pop my Pedro’s tool under the bead and shear it off the rim like carving bark off a stick. Same principal, I guess.
It looks good, and I’m in favor of anyone devising new tools, but I usually have trouble MOUNTING tires. That’s where all my tire levers go – into two pieces putting the current tires on Angelina’s old Steyr. When there’s a Cobra tool that can zip the bead back on, I’m buying one. $5.99 each, free shipping for two. Let me know how they work out for you.