Zildjian ZXGO00517 Gou Gong w/Etched Logo - 17"The Zildjian ZXGO00517 17 Gou Gong (sometimes called a Hmong Shaman gong) has rich history and tradition of healing, being used as a medicinal tool. This instrument is heavy and thick with a turned edge and produces warm tones that are clear and linear, with less spread and overtones than traditional Chao or Wind Gongs. Gou Gongs have a higher fundamental pitch with shorter sustain, which can be stretched into more extended sustained notes through