Mudrā-vidhāna (Lalitopākhyāna): Āvāhanī–Saṃkṣobhiṇī–Ākarṣiṇī and allied Mudrās
परिवर्त्य करौ स्पृष्टावर्धचन्द्रसमाकृती / तर्जन्यङ्गुष्ठयुगलं युगपद्योजयेत्ततः
parivartya karau spṛṣṭāvardhacandrasamākṛtī / tarjanyaṅguṣṭhayugalaṃ yugapadyojayettataḥ
Having turned the hands and brought them into contact, shape them like a half-moon; then join, at once, the pair of index fingers with the pair of thumbs.