The Decoy OS-1 Zero-Dan Tenya worm hook integrates the ZD system, known for its quick fall and excellent penetration, into a single Tenya rig. Designed to maintain a stable posture during descent, it helps prevent line tangles while enabling smooth bottom retrieval. The specially shaped sinker responds effectively to currents, allowing the angler to clearly communicate their movements and effectively attract fish, especially in bottom fishing scenarios. This hook's true strength lies in its flexible hook joint and original design, which mimics the posture of a shrimp. It not only penetrates the tough upper jaw of larger species but also works well with worms, making it a versatile choice for targeting a wide range of fish.