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The double fisherman's knot or grapevine knot is a bend. This knot and the triple fisherman's knot are the variations used most often in climbing , arboriculture , and search and rescue . The knot is formed by tying a double overhand knot , in its strangle knot form, with each end around the opposite line's standing part.
The knot was first introduced by the Victorian chief fire officer Eyre Massey-Shaw in 1876. [2] Made with suitable rope by qualified personnel this knot can be used as a rescue harness capable of supporting a person while being hoisted or lowered to safety. One loop supports the body, around the chest and under the arms, and the other loop ...
At that stage, the knot is slippery and easy to adjust. The knot can be "locked" by making one or more overhand knots with the loose ends in the manner of a reef knot. [1] The sizes of the two loops can also be fixed by making half hitches with each end over the necks of the loops. This configuration is known as the fireman's chair knot.
Water knot (also known as Tape Knot, Double Overhand Bend, Ring Bend): The Water knot is useful to tie together two ends of ropes. Often used with webbing. Binding Strangle knot: The Strangle knot is a simple binding knot. It forms both sides of a Double fisherman's knot, and is also used to back up loop knots and both ends of bends. Hitches
The reef knot can capsize if one of its standing ends is pulled.. A knot that has capsized or spilled has deformed into a different structure. Although capsizing is sometimes the result of incorrect tying or misuse, it can also be done purposefully in certain cases to strengthen the knot (see the carrick bend [4]) or to untie a seized knot which would otherwise be difficult to release (see ...
The security of the knot arises from the fact that at step 3 in the tying sequence the knot is a Double Harness Bend (ABoK #1420). The additional step of passing the ends through the outer loops to complete the knot results in each line entering and exiting the knot being clamped at two points within the knot.
A poignant video circulating on social media captures the transformation of a rescue dog named Alba, who once knew only the harsh confines of a chain. Now, she enjoys the simple yet profound ...
This knot is particularly useful where the length of the running end needs to be adjustable, since feeding in rope from either direction will loosen the knot to be tightened at a new position. With certain types of cord, the clove hitch can slip when loaded. [2] In modern climbing rope, the clove hitch will slip to a point, and then stop ...