Jo-Ral TPT-5C (TPT5C) Piccolo Trumpet Bucket Mute The Joralmut was designed after extensive testing by some of the music industry's most distinguished experts, based on their valuable suggestions, and is used by top brass players around the world in all genres, from orchestras to jazz studio players. ■Made of high quality hand-spun aluminum. ■Variations in tone depending on the material of the base. All aluminum...bright and sparkling tone. Multi-purpose. Brass bottom: A slightly warm tone. Ideal for small ensembles. Copper bottom...calm tone. All copper...deep, rich tone. ■The cork pad is made from a mixture of neoprene rubber and cork, which is highly water-resistant and durable. The pads are flexible and responsive, maintaining just the right amount of moisture for a strong grip, without the worry of them becoming brittle, crumbling, or peeling off due to drying.