Nirvanatantra 3.19

Nirvāṇatantra 3.19

bhūvaḥ śikhāyāṃ śvaḥkāraṃ kavace vinyaset sudhīḥ |
netratraye bhūrbhuvaḥ svaḥ svaḥkāraṃ karaṃ yugmake || 3-16 ||