Rasendrapurana 46.131

Rasendrapurāṇa 46.131

vajramṛdūkaraṇavidhiḥ
mātuluṅgāntare vajraṃ ruddhvā bāhye mṛdā lipet
puṭetpaścātsamuddhṛtya evaṃ śatapuṭaiḥ pacet