Bhairava is also called upon as protector, as he guards the eight directions of your universe. In Shiva temples, if the temple is shut, the keys are put right before Bhairava. श्रद्धयाऽश्रद्धया वापि पठनात्कवचस्य तु । प्रयत्नतः पठेद्यस्तु तस्य सिद्धिः करेस्थितः ।। ॐ हृीं पाधौ महाकालः पातु वीरा सनो https://bookmarkilo.com/story16475166/what-does-bhairav-kavach-mean