kara-nyāsaṁ tataḥ kuryād
dvādaśākṣara-vidyayā
praṇavādi-ya-kārāntam
aṅguly-aṅguṣṭha-parvasu
kara-nyāsam - the ritual known as kara-nyāsa, which assigns the syllables of the mantra to the fingers; tataḥ - thereafter; kuryāt - should execute; dvādaśa-akṣara - composed of twelve syllables; vidyayā - with the mantra; praṇava-ādi - beginning with the oṁkāra; ya-kāra-antam - ending with the syllable ya; aṅguli - on the fingers, beginning with the index finger; aṅguṣṭha-parvasu - to the joints of the thumbs.