Shrimp Kayak AnchorThe NRS Shrimp Lightweight Boat Anchor is a versatile anchor solution for your kayak, SUP or personal fishing cat. Fill it with rocks, gravel or sand for weight. When you're through anchoring, just empty the bag, rinse and stow. Holds up to 6 pounds of weight. This lightweight innovation is easy to use and no assembly is required. There's no need to lug along a heavy anchor; just use local materials to add weight. The bag's diamond shaped design