Create an outdoor adventure in your own backyard with B4 Adventure Ziplines! Add the Deluxe Bungee Brake kit to any of our ziplines. Kit includes 15′ high density bungee shock cord with reinforced UV resistant sleeve and safety carabineer to attach to anchor bag. Attach brake to line to slow zipline rider. Never use a ground stake or substitute an anchor. Bag holds 100lb sand bag (not included).