Slipstick By WilkinsonSlipstick is the go to product for handling tuning instability issues caused by friction on string instruments. Ideal for nut, bridge, saddle, vibrato posts, vibrato mounting screws, string trees, open machine heads, tuneamatic bridges, tight gearing, vibrato arm threads and much more. Its non greasy compound is safe on all guitar finishes including cellulose lacquers. Created by the Wilkinson Design Team Slipstick has been tested in the field by many