At the far end of the concrete ring, Danny heard the stealthy crackle of dead leaves as something came for him on its hands and knees. At any moment he would feel its cold hand close over his ankle— That thought broke his paralysis. He was digging at the loose fall of snow that choked the end of the concrete ring, throwing it back between his legs in powdery bursts like a dog digging for a bone. Blue light filtered down from above
"Then a grip stronger and colder than iron seized him. The icy touch froze his bones, and he remembered no more. When he came to himself again, for a moment he could recall nothing except a sense of dread. Then suddenly he knew that he was imprisoned, caught hopelessly; he was in a barrow. ... He heard behind his head a creaking and scraping sound. Raising himself on one arm he looked, and saw now in the pale light that they were in a kind of passage which behind them turned a corner. Round the corner a long arm was groping, walking on its fingers ..."
(JRR Tolkien, "The Fellowship of the Ring")
