Bulldog Winch Rock Bag Wire Rope Energy ABSorber Black. The Bulldog Winch Rock Bag Wire Rope Dampener is an easy to use product that helps absorb energy from wire rope failure thereby extending the life of the rope. This product is also used for preventing drum squealing as well as wire rope protection while in use. The Rock Bag Wire Rope Dampener is to be used in close proximity to rope spools and rope hawsers in order to minimize rope oscillation and vibration as well as to reduce the occurrence of "shock loop" type failures. Specifications for Bulldog Winch Rock Bag Wire Rope Dampener: Manufacturer: Bulldog Winch Application: Car Quantity: 1 Color: Black Features of Bulldog Winch Rock Bag Wire Rope Dampener Helps absorb energy from wire rope failure Easy to use; fill with rocks and zip up Easy to store empty and fold flat Heavy duty abrasion and tear resistant material Reinforced saddle to reduce abrasion and wear Hook and loop closure to secure position on rope Package Contents: Bulldog Winch Rock Bag Wire Rope Dampener Bulldog Winch 20048: Rock Bag Wire Rope Energy ABSorber Black