Described are techniques for preventing movement of tuning pegs on a stringed instrument. Described is a device comprising an elongated body forming a sleeve opened at a first end thereof and having a slit formed therein. The body has a shape and dimensions in accordance with a shape and dimensions of a row of a plurality of tuning pegs of the stringed instrument so that the body is configured to enclose therein head portions of the plurality of tuning pegs. The slit is configured to have a length and width to extend around neck portions of the plurality of tuning pegs on the stringed instrument.