So after seeing some of the talent here, and not sure where to post this question, i guess this is as good a place as any...i have no access to any kind of metal fab, nor do I know my way around a metal shop. Anyone here ever make a cool mount that would fit an old schwinn cruiser frame seat post tube (maybe even universal) that would hold a kryptonite lock? (U style) They make for a pretty heavy backpack. If someone could make a cool, reasonably price unit, I'd buy it. I could actually design it as well.