Rasendrapurana 35.39

Rasendrapurāṇa 35.39

tīkṣṇamuṇḍayorviśeṣaśuddhistaditarasāmānyaśuddhiśca
śuddhimāyāti tīkṣṇaṃ ca muṇḍaṃ nirguṇḍisecanāt
itarāṇi ca lohāni sarvāṇyullūkaviṣṭhayā