Snubbers mask you movements, and offer a "live resistance" as it mouths the lures instead of your sudden jerks. So the fish will hold on to your bait, so you can set your hook and haul booty to getting that baby in your cooler. Absorb the shock Provide stretch to reduce hook slip Ball bearing Swivels Coastlock snap on the 1015 of 15" Snubber Natural color for blending