When putting a lock on a door it is often difficult to press the two knobs together tightly enough to prevent them from rattling and still be able to insert the screw into the shank. By using a piece of board, 1 in. thick, 6 in. wide and 1 ft. or more in length, with a V-shaped piece cut out of one side,

The Sloping Edges in the Notch Forces the Knobs Together and Holds Them While Inserting the Screws

the knobs can be easily forced and held together while the screw is inserted. - Contributed by H. Musgrave, Sidney, British Columbia.