CatFisher Doorknob Hanger is a one-of-a-kind doorknob-hanger. This cat toy entices cats to play for hours. Designed to fit easily over doorknobs for convenient placement in any room. Tug and pull detachable lures elastically extend up to 12 inches. Includes interactive crab, squid, fish, and jellyfish lures to keep cats engaged! Lures can be used with all CatFisherŽ toys.