Hartmann fiberreed synthetic Hemp clarinet reed.
Alternating layers of carbon and synthetic hollow fibers in a resin substrate create a reed with rich overtones with a sound spectrum that is bigger compared to the regular hollow fiber Fiberreed. The low register is fat, the high notes are screaming, with a convincing presence.
Despite sometimes acquiring a 'torn' look to the tip of the reed they still work very well and last a very long time.
The Hemp reed has all of the benefits of the carbon and natural reeds, but uses 80% organic material for a darker, earthy sound.