D'Addario Organic Reserve Bb Clarinet Reeds, 10-PackOrganic Reserve reeds for Bb clarinet feature a shorter vamp for even tone in all registers, rounded tip corners for additional tonal warmth, plus a thinner tip thickness for quick response. D'Addario has pioneered the first practical and precise system to digitally measure and cut the incredibly complex geometrical patterns necessary to re invent single reeds. Reserve reeds are cut to the tightest tolerances, offering the most consistent performance.