A good sharpening stone is an indispensable tool for keeping a sharp edge on anything from fish hooks to lawnmower blades — and, of course, all your household and pocket knives! There are different ...

—it’s a dull knife. Once that blade is dull, it forces a person to misuse a knife, resulting in problems. Traps don’t get carved right. Meat doesn’t come off the bone of your deer right. And, in ...

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 ...