ocr: I of India and was similarly influenced by indigenous Tibetan traditions. The sound of the chank is vital in Tibetan ritual. It carries prayers to the deity during ceremonies and calls monks to assembly. Chanks are one of the eight auspicious symbols of Buddhism. This example is particularly prized, as it (F spirals to the left, in the opposite direction from most other such shells. The attach- ments to the shell are bronze and copper with inlay of turquoise and coral. 23