Bear research experts and veteran paddlers consider hanging food packs a must, and the BWJ System is the best way to do it. Easily suspends up to 250 lbs of food packs utilizing pulleys and rope grabber for a 2:1 mechanical advantage. Lightweight and compact, this easy to use hanger protects your expensive equipment and the food supplies of your long-awaited vacation. High quality rope, pulleys, carabineer and wooden rope grabbers. Hangs packs between two trees or over a single limb.