Ramayana
हस्तग्राहं तु तं मत्वा पादशब्देन रावणम् । पराङ्मुखो ऽपि जग्राह वाली सर्पमिवाण्डजः ॥ 7-34-20 ॥
Recognizing by the sound of his footsteps that Ravana meant to seize him by the hand, Vali, though facing the other way, caught hold of him as a bird seizes a snake.
english translation