Convenient usage and quick access: compatible with keychains or gear cords, featuring a sleek profile and a buckle ring for fast release. This snapping weight provides anglers with an adaptable tool that streamlines trolling setup and access during fishing. Broad environmental durability: designed for both saltwater and freshwater use with a corrosionresistant profile, making it suitable for deepsea and coastal fishing needs while resisting rust. Enhanced line control and tension: a straightening function helps prevent line slippage, allowing adjustable planer tension and strong line retention for consistent trolling performance. Versatile compatibility: works efficiently with different lines and rigs, making it well suited for offshore use and adaptable to varied species and techniques. Use scenario: offshore pelagic trolling with multiple rigs and heavier lines, where quick access and reliable line control improve trolling efficiency and responsiveness to strikes. Use scenario: deepwater or coastal trolling requiring robust corrosion resistance and stable line management across changing conditions and speeds. Use scenario: freshwater and estuary trolling with different line types and rig setups, leveraging universal compatibility to adapt to target species and trolling methods.