The Newest Line Cutterz Ring features a dual-sided Ceramic Blade Set in a durable ABS plastic body. The adjustable marine-grade Velcro strap allows it to be worn on a finger so it's always there when you need it. This patented fishing line cutter can be worn on a finger or strapped to fishing rods, kayaks, beach carts, consoles, fishing rod handles, kayak seat rails, boat rails, steering wheels.