A ligature strap for a mouthpiece includes a plurality of kerfs extending at least partially along each one of a plurality of parallel lines running across the ligature strap with at least two separate kerfs extending along a common line in the plurality of parallel lines. The ligature strap includes a central portion and two ends portions extending at an angle from the central portion. The parallel lines extend into the end portions and kerfs are disposed on the parallel lines in the end portions.