That’s how you join the coffin-like case of this 18th-century corner cupboard. See how to make the special jigs to hand plane this crucial joint with precision and dignity.

This jig is going to be useless for 95% of the people who look at it but it was fun to make and I thought I would share that!  ...

The Rockler Corner Key Doweling Jig clamps to the corner of a box and guides an extended-length bit through the joint at a perfect 45° angle to the sides. The resulting holes allow users to add ...