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 ...

[Amy Makes Stuff] has long used a pair of diamond honing blocks to freehand sharpen planes, chisels, and all the other dull things around the shop. Although this method works fairly well, the results ...