The new M|O ligature combines the lightweight construction of the legendary Masters ligature with the highly efficient tightening of the OPTIMUM ligature.

Lightweight.
Easy to set up.
Quick and symmetrical tightening with a unique double-track screw mechanism.
Inverted tightening with only 2 small contact points on the reed.

The M|O ligature allows an optimum vibration of the reed and a crisp articulation.