- left thumb rest octave lever strap ring
- left thumb rest octave mechanism
- left thumb rest octave lever and water key
- left thumb rest octave lever and neck left side
- left thumb rest octave lever 2
- left thumb rest octave lever
- left thumb rest octave lever
- left thumb rest octave lever
- left thumb rest octave lever
- left thumb rest octave lever
- left thumb rest octave lever
- left thumb rest octave lever
- left thumb rest octave lever
- left thumb rest octave lever