One common joinery method used in wood working is the mortise and tenon. A mortise is basically a hole in a piece of wood and the tenon is another piece of wood cut to tightly fit in that hole.

or a sacrificial table to manage wood grain tear-out on the bottom of a workpiece. Imagine a tool that can drill square holes. Enter: the mortiser. Similar to a drill press but utilizing a special ...

It is known as the chain saw mortiser ... and substituting therefor a cutting tool which eats its way into the heart of the hardest or softest wood with the utmost rapidity, making therein ...