ललितोपाख्याने जप-न्यास-योगप्रकरणम्
Lalitopākhyāna: Procedure of Japa, Nyāsa, and Yogic Installation
पद्मत्रिखण्डयोन्याख्यां मुद्रामोष्ठपुटेन च / वायुमापूर्य हुं हुं हुं त्विति प्राबीध्य कुण्डलीम्
padmatrikhaṇḍayonyākhyāṃ mudrāmoṣṭhapuṭena ca / vāyumāpūrya huṃ huṃ huṃ tviti prābīdhya kuṇḍalīm
With the mudrā called the “three-part lotus-yoni,” and with the lips sealed, let him fill the breath; then uttering “Hūṃ, Hūṃ, Hūṃ,” let him pierce and rouse the Kuṇḍalinī.