The I-Guard is a small perforated silicone cone that fits over the knot connecting the leader to the hook or jig head. This transparent cone covers the knot and protects it from impacts and contact with the bottom, thus preserving this sensitive part of the leader. This system is also very useful when fishing with soft lures rigged on offset hooks in areas with a lot of suspended weed. It allows algae to slide along the leader without getting caught on the lure, keeping the rig fishing effectively throughout the cast.