I sharpen a curve on the cutting edge of all my bench planes and block planes. The curve prevents the corners of the iron from leaving behind “plane tracks” – those ugly little steps. But there are many other benefits to using a curved iron. Here’s one more: It can make your mortise-and-tenon joinery tighter. This might sound improbable, but it’s something I achieve with every mortise-and-tenon joint in my […]
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