YouTube creator Kiwami Japan is famous for making hand-made knives using materials that odd, rare, and not exactly sharp to begin with. He’s made knives out of Amazon boxes, aluminum foil, and even family-friendly gelatin. In another one of his fascinating videos, he makes a knife from a single piece of solid wood. And not…

YouTube user kiwami japan has a bit of an odd obsession with making homemade blades and other weapons from obscure and unusual materials. Case in point. This knife wasn’t made from a hard-to-find metal, but from a roll of aluminum foil you likely have stashed in your cupboard to wrap a sandwich or make tin…