GF Ligature GF-04M for Bb- clarinet, Boehm system and German system, ligature with cap, screw gold plated, for Buffet, Orsi, Rico Royal, Selmer, Vandoren, Larry C. Woodwind, Yamaha and Zinner No. 36 Mouthpieces for Boehm Mouthpieces and Pomarico glass mouthpieces for German mouthpieces, the lligature with reed has the greatest influence on sound and response of the instrument, every ligature, is like a custom-fit mantle, which ensures the optimal fit of the reed. Due to the ingenious mechanics (left-hand thread of the spindle) a symmetrical pulling force is applied to the reed during tensioning so that it remains in the set position, a printed crosshair on the belt facilitates the setting up of the reed