- Surfboard tail fin: provides control and handling of the board, improving stability and steering during turns in varying wave conditions. - Surfboard water separator: easy to use; enhances handling and control, making it easier to maneuver through waves and curves; suitable for surfboards and paddleboards. - Paddle water divider: easy to install; the card lock design allows quick installation and replacement of the tail fin, saving time and effort on beach sessions. - Surfboard balance tool: removable; features a removable water separator rudder that improves overall performance and allows on-the-fly adjustments. Use scenarios: - Before a surf session in crowded or choppy breaks, install the tail fin to improve turning stability and control. - While paddleboarding on open water, use the water separator to achieve smoother tracking and easier maneuvering through wakes and waves. - During quick beach-side upgrades or repairs, rely on the card lock design for fast installation or replacement of the tail fin, minimizing downtime between sessions.