देवराजसेव्यमानपावनांघ्रिपङ्कजं व्यालयज्ञसूत्रमिन्दुशेखरं कृपाकरम् । नारदादियोगिवृन्दवन्दितं दिगंबरं काशिकापुराधिनाथकालभैरवं भजे ॥१॥ Bhairava is also called on as protector, as he guards the 8 directions with the universe. In Shiva temples, when the temple is closed, the keys are put before Bhairava. Yantra āvaraṇa rituals generally follows the exact same mantra as Personḍala https://israelhexrk.bluxeblog.com/61979020/5-simple-statements-about-bhairav-explained