Dakine’s sport-specific hook knife (kiteboarding or wing foil) has 2 opposing anodized aluminum blades for easy and instant cutting. This product comes with an easy to assemble sheath and a sewn-in loop for attaching it to your harness or other location. The hook knife is for emergency situations where you need to untangle yourself from lines. The knife fits directly into the built-in pocket of your spreader bar or harness, without the need for an additional pocket. So it’s handy and easy to use when you need it. Everyone who sails in waves or deeper water should have one. Older hook knives can dull or rust over time, especially in salt water, so check your knife occasionally and replace it if necessary.