Bait Buttons holds bait balls, Plastic Worms, Trailer Hooks and Live Baits in place. The all new Bait Buttons disc and dispenser will change the way thousands of baits are fished. This disc will fit up to a 4/0 hook. Designed to keep the bait on the shank of your hook. Bait Button will prevent it from sliding down to the bend in the bottom of the hook. "Because presentation matters".