Ton Kooiman has developed thumb rests for Clarinet, Saxophone, Oboe and Flute.

The Etude2 is a low cost newly developed thumb rest for both clarinet and oboe.

The Prima for flute is a low cost versatile thumb rest for all flutes.

The Oboe thumb rest is a professional thumb rest for the high-end market specially made for the oboe.

The Maestro thumb rest is a thumb rest for the high-end market used on clarinet and English-horn.

The Forza thumb rest for saxophone is a quality goldplated thumb rest to provide for a great comfort and faster playing while the thumb is supported downwards
a feature that did not exist so far...

The Oehler:
A "special" for the german Oehler-clarinet has been developed out of the Maestro but with an extra lever and different mounting mechanism
to be able to use together with the Oehler-clarinets: "tief e/f verbesserung" mechanism.