Sharpening Method That News Today

It was on a family outing to attend Archeology Days at the Mitchell Prehistoric Indian Village in Mitchell, South Dakota, that I was first introduced to some of the sharpest of man-made blades. I’ve been fascinated since boyhood by any tool made to cut, so imagine my curiosity as I watched a young fellow practicing the ancient art of flint-knapping, which is a controlled chipping away of bits of stone to sharpen and shape their edges. I also noticed a display of long, slender, shiny glass-lik...