Thumb Fin

Experience Playing Like Never Before With The Thumb Fin bass thumb rest
Ergonomic. Adjustable. Universal. 
Leaves instrument undamaged with strong suction cup attached bass thumb rest.

Interested in trying a thumb rest but don't want to alter your instrument? We've got you covered. Thumb Fin allows you to place the thumb rest where you want , when you want. Other 'options' out there only work on specific instrument, Thumb Fin is universal.