Fox wedged tenon joint.
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Previously:
https://www.homemadetools.net/forum/...827#post198369
https://www.homemadetools.net/forum/...942#post202760
https://www.homemadetools.net/forum/...371#post181451
https://www.homemadetools.net/forum/...286#post106821
https://www.homemadetools.net/forum/...840#post156278