What Are Valves?
Valves or wind savers as they are more often called are strips of material that are placed on the harmonica reed plate and cover the slot. Typical diatonic, chromatic and orchestral harmonicas have a blow and draw reed in each slot. Generally, only one of the reeds sounds when a player blows or draws on one hole. Wind savers prevent air from entering the slot of the non-sounding reed by laying flat against the reed plate creating a seal. Wind savers are most commonly used o