- Flexible and Safe: The second generation automatic special-shaped paddle board balance rudder features a unique flexible design that enhances safety while surfing. Unlike traditional fins, this fin can bend and retract, significantly reducing the risk of injury, making it ideal for beginners and children. - Versatile for Different Conditions: This fin is designed for use in various surfing environments. It excels in near-shore conditions and shallow reefs, allowing you to confidently explore new surfing spots. Additionally, it is well-suited for fly fishing in low-water streams, rivers, and shallow lakes. - Durable and Reliable: Constructed from soft, flexible plastic, this 9-inch automatic shaped tail fin is engineered for long-lasting performance. Its robust design is highly resistant to breakage, minimizing the risk of damaging your board's fin box. - Compatibility: This fin is compatible with a wide range of paddle boards, making it a versatile addition to your gear. Use Scenarios: 1. Perfect for family outings at the beach where safety is a priority for children learning to surf. 2. Ideal for adventurous anglers looking to navigate shallow waters without hindrance. 3. Excellent for surfers seeking to explore rocky or reef-laden areas without the fear of traditional fin damage.