TOP, SIDES, BASE AND ACTUATOR, are made from lumber. TOP: 4X4. Drill a central hole to host the TUBING with a tight fit. SIDES: 2X7. Drill a 5/16 diam. hole at 1.5 from one end to accommodate the Pivot Dowell. BASE: 4.5x7.5. ACTUATOR: 2.5x7.5. Drill a 5/16 diam. hole at 3 from one end to accommodate the Pivot Dowell on which to pivot. NOISE DAMPER: a piece of leather 2x4 stapled or glued to one end of the ACTUATOR. ROD: 1/8 diameter brass or stainless steel. TUBING: plastic or metal, with an internal diameter slightly larger than the ROD. Assemble FRAME by gluing Top, Sides and Base together (see Figures).