This home-made tool will be a great help in the construction of mission furniture. With its use, tenons may be entirely cut with a saw, discarding the use of a chisel and mallet. The device consists of a convenient length of straight board, A, Fig. 1, wide enough to cover the widest piece to be tenoned. A piece of board, B, is fastened to A with brads or small screws. This board should have a thickness equal to the piece to be cut from the side of the tenon. The piece C is fastened t