Twist Trap Practice Pipes (Junior Size) - a set of mouth blown smallpipes incorporating a standard length practice chanter with a junior mouthpiece top and two drones. Twist-Trap Practice Pipes allow beginners to start playing on a mouth blown instrument that closely resembles the Highland Bagpipes. Twist-Trap Practice Pipes are not just for beginners, however, Pipers of all abilities can appreciate the sound, making practice time that much more enjoyable.