Kongming lock is a traditional Chinese intellectual toy. It is said that the toy was invented by Zhuge Kongming some years ago based on the principles of the eight-diagram metaphysics. It was widely popular among the folks. The concave and convex pa
The Dovetail Marker is a very handy tool that can mark dovetails up to 1 long and has two ratios: for softwood and for hardwood. Cutting dovetails by hand can be a daunting task. This dovetail marking gauge makes laying out the angles simple and precise.