Jupiter Wind Try-Out KitWind Instrument Try Out Kit. This durable, compact, and affordable trial pack is an ideal tool for introducing school band instrument mouthpieces to prospective incoming band students. Includes flute headjoint, woodwind mouthpiece with synthetic reed, and brass mouthpiece with two cup sizes. Including components to test for aptitude and gauge interest in flute, clarinet saxophone, trumpet and trombone, the kit provides a convenient solution for many