Increases sustain by adding physical mass to the headstock of the instrument. Works on electric and acoustic instruments. Installs in seconds without tools. Will not damage your instrument. Adds tone, sustain, and overall tone balance. Fatfinger for bass is 20% heavier than guitar model. Helps tune out dead spots. Guitar model is 3.2 ounces, bass model is 3.6 ounces.
Groove Tubes Bass Fatfinger