I bought a pair of these a size and a half too small. It hurt like hell. They can however edge on just about anything and distribute a very pinpointed force out over a large area of the shoe. I wore them down through the big toe. I have purchased them again at an appropiate size and prefer them when I am doing any climbs with tiny feet. I'll admit they are still not the most comfortable shoe, but If you can learn to trust the edge of your foot on a dime it can help you do some very solid climbing. I gave it a 4, not a 5 just because it isn't as cushy as a Five Ten Coyote. :)

Personally my favorite peice of protection. Easy to place in both vertical and horizontal cracks. Very very flexible on the dyneema in corner roof cracks that aren't that deep. They won't torque and or walk out like a more rigid u frame cam or even a flexible cam would with some rope bounce on it. If you have a shallow crack these are the nicest things I think you could place. In soo many ways better than using cams.