BlueWater Ropes Rope Cauldron. Adjustable, quick-release straps allow you to adjust the height of your Rope Cauldron up to 24″ by the clever use of a coil spring. A zipper pocket inside the Cauldron hangs onto your valuables while the four gear loops keep your rack organized and easy to access. The mesh zip top airs out your gear while the solid bottom protects your rope from grit. The carrier loops allow you to pick up the cauldron and move to the next anchor over or sling it over your shoulder to get to the next wall.