Among the sixty-three Nayanars venerated in Tamil Shaivism, Chandesha, also called Chandikeshvara, occupies a singular place. He is not merely remembered as a devotee but is enshrined permanently inside Shiva temples across South India, usually in a small shrine to the north of the sanctum. His story is told in Sekkizhar's Periya Puranam, the twelfth-century Tamil hagiography of the Nayanar saints. As a young cowherd boy named Vichaaran, he was so absorbed in fashioning a Shiva linga out of sand and offering milk to it that, in his devotional trance, he struck down his own father's foot with his staff when his father kicked over the sacred vessel in anger. Shiva and Parvati appeared before him, blessed him, and is held in Tamil temple memory to have placed His own garland upon the boy, declaring him guardian of all that belongs to Shiva. From this arises the enduring temple custom of devotees clapping or snapping their fingers before Chandesha's shrine and asking his leave ...