Reply To: Sore left thumb Recorder Forum Home Page › Forum › Recorder Makes, Models and Maintenance › Sore left thumb › Reply To: Sore left thumb January 17, 2022 at 5:32 pm #1556 Dick MattsonParticipant BTW, I checked several of my recorders when I was practicing this morning. All of them have the thumb and finger holes with slightly rounded (not sharp) edges. None of the edges feel sharp when I touch them with normal contact pressure.
