The irony of working with cheap, dull knives in the kitchen is that you’re more likely to accidentally cut yourself than if you had razor-sharp blades to slice and dice with. But if you’re as skilled at sharpening knives as YouTube’s Kiwami Japan is, you can turn a dollar store blade into a tool for master chefs.
Source: Gizmodo – Sharpening a Worthless Knife With a 0 Stone Turns It Into a Samurai Sword