Śrāddha-kalpa: Dāna-phala, Medhya/Amedhya Dravya, and Uparāga
Eclipse) Observances (श्राद्धकल्पः—दानफल-मेध्यामेध्य-उपरागविधिः
सिद्धार्थकानां कल्केन तिलकल्केन वा पुनः / स्याच्छौचं सर्वबालानामाविकानां च सर्वशः
siddhārthakānāṃ kalkena tilakalkena vā punaḥ / syācchaucaṃ sarvabālānāmāvikānāṃ ca sarvaśaḥ
Purity is attained with a paste of mustard seed (siddhārthaka) or with a paste of sesame. By this, all hair-bearing articles and all woollen (āvika) items are cleansed in every way.