Brahmapurana 220.146

Brahmapurāṇa 220.146

kṣaumasūtraṃ navaṃ dadyāc chāṇaṃ kārpāsikaṃ tathā
pattrorṇaṃ paṭṭasūtraṃ ca kauśeyaṃ ca vivarjayet //