It contains approximately 12 feet of braided 550 parachute cord with 7 x nylon inner strings (7 x 12.) that can be used as fishing line, for making snare traps, the Concept of Totalitarianism a fire bow and other useful fieldcraft things. The basic shape of this knot is consistent through the family. Can be used to attach a line to an anchor via a carabineer. Once its attached to your rifle, its always there should you ever need to use. Often we see the figure 8 follow through used in climbing/ rappelling when tying into a harness. In fact, its childs play: The bunny comes out of the hole, runs around the tree, and goes back in the hole. But should you need. When tensions are running high and adrenaline is pumping, the knot that you thought you knew might just slip your mind.
What a great idea! Hell, they weigh almost nothing and could save your life should you find yourself someday in an unexpected life or death survival situation. And so out of all the knots that I learned in Ranger School there have only been about five knots that I have repeatedly used throughout my entire military career and even today too. Try rolling it between your palms, or getting it wet. All because they failed to pack carry a lightweight, low-cost, pocket survival kit. Square Knot, can be used to tie two ropes together. And then for every 1200 paces or 1000 meters/yards you travel is when you move or slid one of the 5 x beads down to the bottom of the other cord. I will also make'em any size you want, small or larger.