Cundī dhāraṇī or mantra also first appeared in the Kāraṇḍavyūhasūtra: namaḥ saptānāṃ samyaksaṃbuddha koṭīnāṃ tadyathā oṃ cale cule cunde svāhā "In up to date Theravada follow, mantra follow is often combined with respiration meditation, in order that a person recites a mantra simultaneously with in-breath and out-breath to aid develop https://www.youtube.com/@Mahavidyabaglamukhi/