The Piper's Pal Reed Protector functions as a reed protector and also serves as a humidity control system. The chanter rod seals the reed in from outside air. Absorbs moisture when reeds are wet. Provides moisture when reeds are dry. With the Piper's Pal Reed Protector, your reeds will: •Always be ready to play •Stabilize quickly and remain stable when playing •Keep indefinitely be restored to playing condition in minutes •Break in more quickly with less effort •Resist mold and mildew •Last longer