It's not rocket science, but if you need a way to keep plastic garbage bags around and you have a leftover piece of PVC pipe you can make a simple bag dispenser by cutting a slot in the side of the ...

If your backpack's external frame died years ago or if you found a cheap ALICE pack on Craigslist without a frame, you can easily make one with around $3 worth of PVC piping and fittings. The only ...