I rode into campus to drop off a paper. Locked the bike up outside. Came back 20 minutes later and the sidewall of the tire was blown out and the tube was pinch-flatted. I don't understand how it's possible, but next time I probably won't be getting another K-rad.
Holy rollers use pretty much the exact same design as far as treadwall goes as the K-Rads. I'm mostly looking at the Hookworm right now, though the weight is ridiculous, I've heard great things.