RockyBrook Sinkers are more than just sinkers… They help you catch fish! It’s all about their unique shapes and specific density which makes them harder to snag and easier to free when snagged. They add natural "action" and "suspension" to your lures and bait. They’re odorless, have no residue and blend-in with surroundings making them invisible to fish. They make a loud rattle when rolling rocky stream beds or clickin’ two together. The cool part is Limestone is used to help fisheries. It’s the only “rock” that raises pH and produces alkalinity to improve water quality.