Bhairava is also referred to as on as protector, as he guards the 8 Instructions of your universe. In Shiva temples, once the temple is shut, the keys are put prior to Bhairava. न शक्नोमि प्रभावं वै कवचस्यास्यवर्णितुम्। अनेन पठनाद् देवि विघ्ननाशो यथा भवेत् ॥ २१॥ हे बटुक भैरव https://www.youtube.com/watch?v=lqYJ072UzdE