One method is that holding one end of the rubber mallet and slightly knock the rim of the crystal singing bowl you will heard a pleasant sound; By another way firstly giving a slight knock on the singing bowl before the last sound goes away you rub the rim to make a pleasing sound. The tone quality of the crystal singing bowl isn t the same every time being knocked so you can adjust the speed of friction or the inclination of the rubber mallet to achieve the satisfying effect. Features: rubber mallet suits for crystal singing bowls. Creates a beautiful peaceful healing sound and long echoes. Adopting rubber material the mallet head is of big flexibility and brings auditory impact while knocking the sound bowl. The tomentum on the surface of mallet increases the friction to easily grip the mallet. Perfect accessory for your crystal singing bowl. Specifications: Material: Rubber Color: Ivory Item Size: 22 * 4.5 * 2cm / 8.66 * 1.77 * 0.79in Item Weight: 87.9g / 3.1oz Package Size: 23 * 11 * 4.5cm / 9.1 * 4.33 * 1.77in Package Weight: 112g / 3.95oz Package List: 1 * Rubber Mallet 1 * Rubber Ring