Possible Clues:

• It makes a wood joint with a mortise
• Wood-joint feature
• Projection (joins with mortise)
• There's a number sticking out on this without a mesh on the back of it
• It fits into mortise
• Part of joint originally operating in the Memphis area
• Half of a joint
• The carpenter could make it up to make it impossible for the fisherman to operate
• Not one comes back on time to make the joint
• Saw it there less than a dozen on for the mortise