Pinned Mortise And Tenon Joint. Glue is used to secure the pieces together and variations on the joint also use pins and and wedges to lock the joint in place. The mortise and tenon joint is at least as old as the pyramids we think this because we found a ship that uses them in one of the pyramids. These elegant joints are difficult to cut and clamp.

A Wedged Mortise And Tenon Joint Detail Of The Minimalist Headboard Of Our Double Bed Frame Vrede Crafted Entirely Handcrafted Bed Double Bed Frame Bed Frame
A Wedged Mortise And Tenon Joint Detail Of The Minimalist Headboard Of Our Double Bed Frame Vrede Crafted Entirely Handcrafted Bed Double Bed Frame Bed Frame from i.pinimg.com
To see a video comparison of the fmt pro and super fmt, see video. A protruding tenon, cut at the end of one piece, fits into a corresponding recess, called a mortise, in the other. Other articles where mortise and tenon is discussed:

I would imagine putting a mortise and tenon neck joint on every guitar would be an expensive ordeal.

I would imagine putting a mortise and tenon neck joint on every guitar would be an expensive ordeal. A protruding tenon, cut at the end of one piece, fits into a corresponding recess, called a mortise, in the other. Mortise and tenon joints also offer a bit more flexibility, because one doesn't have to worry about. Joint is set out according to 'rule of thirds', whereby the proportions of the joint are approximately divided into thirds, thus if the tenon rail is 20mm thick, the mortice chisel is approx one set mortice gauge to mark position of mortice, don't alter the distance between the pins. A mortise and tenon joint is a means of joining two pieces of wood at an angle (usually 90°) to each other. Woodworkers around the world have used it for thousands of years to join pieces of wood, mainly when the adjoining pieces connect at right angles. Compare mortise & tenon jigs. In its basic form it is both simple and strong.