YouTuber Shawn Woods is an expert at knapping ... flint—to turn it into a sharp-edged tool of some sort. Turns out, the same basic techniques can be applied to the bottom of an old canning ...

Bob Winters of New Brunswick, N.J., will demonstrate the art of flint knapping Sunday at an open house at the Henry Homestead on Henry Road, Bushkill Township. Knapping is a technique used by ...