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The double figure eight knot is a very safe knot to use when human life depends on it. This knot is used by climbers all over the world from easy climbing situations to the worst
conditions it is possible to climb in. While climbing if you should lose your footing this knot will not let you down. It is capable of withstanding any
load placed upon it even if you should fall from a great height. Another aspect of this knot is that even when placed under great strain the knot is still
easy to untie. In the animation you can see that the knot is being tied around a carabina. Normally you would form the knot by doubling
a figure eight knot. This is done using one strand leaving a loop in the knot. This loop will then be snapped into the carrabina and locked off. If you do not have the luxuary of a carrabina you would follow
the method shown in the animation. For saftey reasons it is always best to finish the knot off with a couple of half hitches.
Climbers also use a specalist rope called kermantle. The properties of this rope allows it to stretch
without breaking yet return to its original length. The rope is also able to withstand the heat generated by a fall if the rope is passing through any metal objects without melting.
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