Luyben 2215LCBK Plastic Bb Clarinet Ligature and Cap

Will not distort or crush reed fibers nor warp mouthpiece as do metal ligatures.Top and bottom straps are spaced wider apart and work independently of each other (helps regulate and control reed opening). Sound posts are scientifically designed to give equal pressure and full reed vibration (notice holes in center of sound posts). Tighten firmly- threads will not strip. Ligature will not slip.