کاسه مینل مدل Helix Bowl
To playYou play the Helix Bowl by grasping the bowl between your thumb and ring and middle fingers. You keep your index finger free. Hold the included metal beater in your other hand. This has a soft and a hard end. You move the beater along the spiral. With your forefinger you mute the tones when you want. By bringing the bowl to and from your abdomen, you create the wah-wah effect.