Tuning Rings are important for every serious player. For a lower pitch you can pull out your staple or bocal. But this causes water and a often unstable intonation plus a lack of sound.
A set of 2, 4 and 6 mm tuning rings will help you.
This product is not to be used by children and persons with limited physical, sensory or mental abilities.
There is a risk of injury if used improperly.
This product is intended to be used indoors.