Splicing with Metal Sleeves.
An even better way of making a splice is by tonguing and grooving the
ends of the frame pieces and enclosing
Splicing Beam With Third Piece.
[Description: Black and white illustration: Splicing beam.]
As the frame pieces are generally about 1 1/2 inch in diameter, the tongue and the groove into which the tongue fits must be correspondingly small. Begin by sawing into one side of one of the frame pieces about 4 inches back from the end. Make the cut about 1/2 inch deep. Then turn the piece over and duplicate the cut. Next saw down from the end to these cuts. When the