Native American Style Flute, Cocus Wood ( Item Code: NAFLC) This Native American Style flute is composed of two parts; the pipe body and the bird or saddle block. Flow is controlled by sliding the bird over the top opening. You may make a minor adjustment in pitch by moving the bird forward (sharpening pitch) or backward (flattening pitch). Make sure not to close off the opening completely. The Color of the wood varies, a lovely sounding instrument. Tuned to F.