Ṣoḍaśāvaraṇa-cakre Rudrāṇāṃ Nāma-sthāna-nirdeśa
Rudras in the Sixteen-Enclosure Chakra
ककुभश्च निषङ्गी च स्तेनानां च पतिस्तथा / निचेरुश्चेति विज्ञेयाः षष्ठावरणदेवताः
kakubhaśca niṣaṅgī ca stenānāṃ ca patistathā / niceruśceti vijñeyāḥ ṣaṣṭhāvaraṇadevatāḥ
Kakubha and Niṣaṅgī, and likewise the Lord of thieves, and Niceru—know these as the deities of the sixth protecting enclosure.