Making my own sharpening blocks

from blog Copper • A blog about conductive layers, | ↗ original
When I started wood carving, the only sharpening method I remembered was from seeing my mother use some kind of smooth broken stone that she passed over the length of the knife blade before sacrificing a chicken. I also remember seeing my father use a very coarse stone wheel placed on a motor shaft which threw many sparks when he sharpened some...