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Sometimes you absolutely, positively need to know the angle of the cutting edge on a knife. When you do, the best tool for the job is a laser goniometer, and [Felix Immler] shows us three different ...

Have you ever wondered how chefs sharpen their knives? Fabio Castello, a chef based in Melbourne, uses a whetstone to keep his knives razor sharp. It makes his job easier, but it's also important for ...

Tools lose their edge and become dull. That’s a fact of their existence. But it’s also a fact that they need not stay that way. Sharpening nearly anything, from a shovel to a putty knife to a plane to ...

Knowing what tool is used to sharpen knives will save you a headache when you find that yours are becoming dull. Most of the time you don’t need a power tool or an expensive knife-sharpening system to ...