Billy stared, not sure what he was seeing. Big, pointed cylindrical, each piercing piece appeared to be bisected, split down the middle. They looked like ... claws?
His gut knotted. That was exactly what they were, like a giant crab's or scorpion's claws, and as he watched, they both opened, revealing thickly serrated edges. The huge pincers turned inward and up, began to actually saw through the steel roof, the sound of ripping metal like a high scream.