Protec (A353) Small Clarinet / Oboe Thumb Rest Cushion With Extension 

Small gel cushions fit thumb rests up to 13mm wide (up to .51 inches).

Protec's Clarinet / Oboe Thumb Rest cushion with extensions features a comfortable design for extra thumb support and cushion stability.

Relieves thumb fatigue 
Soft gel cushion support 
Non-slip grip design