Valmiki Ramayana 6.77.23

परिगृह्य च बाहुभ्यां परिवृत्य शिरोधराम्।उत्पाटयामास शिरो भैरवं नदतो महत्॥

parigṛhya ca bāhubhyāṃ parivṛtya śirodharām |utpāṭayāmāsa śiro bhairavaṃ nadato mahat ||

Our plain-language meaning of this verse is waiting for scholar review.