He was frightfully ugly, his ferocious grinning mouth and huge down-hanging under-lip being but in harmony with his terrible eyes.
This was Red-Eye.

And right gingerly he crept out or his cave and descended to the ground.

Ignoring me, he proceeded to reconnoitre.

He bent forward from the hips as he walked; and so far forward did he bend, and so long were his arms, that with every step he touched the knuckles of his hands to the ground on either side of him.

He was awkward in the semi-erect position of walking that he assumed, and he really touched his knuckles to the ground in order to balance himself.