claw

sharp curved horny process on the toe of a bird or some mammals or reptiles

a mechanical device that is curved or bent to suspend or hold or pull something

a grasping structure on the limb of a crustacean or other arthropods

move as if by clawing, seizing, or digging

They clawed their way to the top of the mountain

clutch as if in panic

She clawed the doorknob