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The figure-eight cannot be removed from the rope without detaching the device from the harness, and so could be accidentally dropped, particularly when tackling a rebelay. They also twist the rope which is a particular problem where a rebelay prevents the rope from untwisting.
The figure-eight knot or figure-of-eight knot is a type of stopper knot. It is very important in both sailing and rock climbing as a method of stopping ropes from running out of retaining devices. Like the overhand knot , which will jam under strain, often requiring the rope to be cut, the figure-eight will also jam, but is usually more easily ...
Directional Figure-of-eight Loop: The Inline figure-of-eight loop is similar to a figure-of-eight loop but used to form a loop that will be loaded longitudinally in a line under tension. Particularly useful in rope tightening systems where the loop is established as a means to secure a pulley or carabiner onto the main line to reduce the amount ...
The figure eight is a technique used by anglers to fish specifically for the muskellunge. [1] It has been developed due to the nature of the fish's hunting style. Essentially, the figure eight is a final enticement performed by the angler just before lifting the lure out of the water for another cast.
A figure-of-eight loop tied using the follow-through method. A figure-eight loop is created by doubling the rope into a bight, then tying the standard figure-eight knot.. In climbing, this knot is used to save time when repeatedly attaching the rope to climbing harnesses, using locking carabiners, such as when a group of people are climbing on the same top-rope.
Abseiling (/ ˈ æ b s eɪ l / AB-sayl or / ˈ ɑː p z aɪ l / AHP-zyle; from German abseilen 'to rope down'), also known as rappelling (/ ˈ r æ p ɛ l / RAP-pell or / r ə ˈ p ɛ l / rə-PELL; from French rappeler 'to recall, to pull through'), is the controlled descent of a steep slope, such as a rock face, by moving down a rope.
It is designed to help stop rope twisting. Figure eights, although not the most common belay device, are still frequently found in use. For most uses, a tubular style belay device is easier and safer to use. However, due to their tendency to twist rope [3] and general disagreement about their safety, figure eights are often banned in climbing gyms.
The offset figure-eight bend is a poor knot that has been implicated in the deaths of several rock climbers. [1] [3] [4] The knot may capsize (invert) under load, as shown in the figure, and this can happen repeatedly. [5] Each inversion reduces the lengths of the tails. Once the tails are used up completely, the knot comes undone.