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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.
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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 butterfly bend is a knot used to join the ends of two ropes together. It is the analogous bend form of the butterfly loop , [ 1 ] in that it is the butterfly loop with the loop cut. [ 2 ] The observation that the butterfly loop is secure enough to isolate a worn or damaged section of rope within the loop indicated that the bend form of the ...
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 ...
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 ...