Rasamanjari 6.38

6.38

piṣṭvā tena mukhaṃ ruddhvā mṛdbhāṇḍe ca nirodhayet /
śuṣkaṃ gajapuṭe pācyaṃ cūrṇayetsvāṅgaśītalam //

with goat's milk, one should seal their opening with it and seal them inside an earthen vessel.
Once dry, it should be baked in an elephant pit; one should powder it when cooled of its own accord.