Valmiki Ramayana Yuddha Kanda Sarga 80 Shloka 8

अग्निंसर्वतःon all sides of fire sacrifices, सतोमरैः spread with weapons, शरपत्रैः grass, समास्तीर्य for the sake of offering in fire, जीवतः live, सर्वकृष्णस्य entirely dark in colour, छागस्य goat, गळम् neck, जग्राह consigned

Weapons were spread on all sides of the fire sacrifice like grass. A darkcoloured live goat's neck was consigned for offering into fire.