Professional model. Ergonomically improved, individually adjustable thumb holder. Prevents fatigue symptoms. Displaces the weight of the instrument to the inner surface of the thumb
Contact
Ton Kooiman Design
Woodwind Ergonomics and Restoration
Rijksstraatweg 41a
3454 JC De Meern
Netherlands
info@tonkooiman.com
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.