Flutists Friend Marching Flute andPiccolo Lyre is fully adjustable for flute or piccolo player. Can be tilted to proper position for each player. The arm strap is adjustable in order to fit all players and any type of uniform. Molded from black ABS makes the lyre lightweight but durable. No sharp edges to catch on uniforms. Reinforced at stress areas. Spring loaded Wind Clip holds windows for easy flipping. Supplied with five clear plastic windows and two plastic rings