Diamon-flex mold Dual anchor swivels Detachable rail saver Padded de-luxe ankle strap Safety release pull tab Plug buddy for easy leash fitting Advanced mould design with flex diamonds. Provides controlled flex and strong transition from mould to urethane. Marine-grade, stainless anti-corrosive free-spin swivels for tangle-free surfing. The original rail saver system designed by Ocean & Earth, with sewn-in anchor cord. Protects rails and is easily detached. The larger the wave, the more stretch which keeps your board at a safe distance away. Premium-grade quality urethane developed by the world's leading manufacturer. Easy to see ‘Safety Red’ quick release pull tab. Essential when surfing big waves and reefs.