Despite its advertised advantage (quick release), the slipped constrictor knot can also be hard to release when worked extremely tight in certain rope materials. The slipped constrictor can also be tied in the bight and slipped over the object to constrict. To release, tug on the working end so that the bight passes back through the knot.Be sure the slip loop bight and both ends emerge from in between the two turns as shown.Pass a bight of the working end under the point where the first riding pass and the standing part cross to form a slip loop.Continue around behind the object, and then again over the standing part back to the side of the first turn.Depending on the knotting material and how tightly it is cinched, the slipped form can still be very difficult to release. This variation is useful if it is known beforehand that the constrictor will need to be released. After working up fairly tight, pull firmly on the ends to finish. The double constrictor may require more careful dressing to distribute the tension throughout the knot. Be sure the ends emerge between the turns as shown.Pass the working end over the standing part, then thread it back under the standing part and both riding turns, forming an overhand knot under two riding turns.Make a second turn following the same path as the first.Adding more than one extra riding turn does not add to its security and makes the knot more difficult to tighten evenly. It is particularly useful when tying the knot with very slippery twine, especially when waxed. If a stronger and even more secure knot is required an extra riding turn can be added to the basic knot to form a double constrictor knot. Be sure the ends emerge between the two turns as shown.Pass the working end over the standing part and then under the riding turn and standing part, forming an overhand knot under a riding turn.Make a turn around the object and bring the working end back over the standing part.There are also at least three methods to tie the constrictor knot in the bight and slip it over the end of an object to be bound. The method shown below is the most basic way to tie the knot. Day relates that, "she had never seen it in Finland, she wrote to me in 1954, but had learned about it from a Spaniard named Raphael Gaston, who called it a whip knot, and told her it was used in the mountains of Spain by muleteers and herdsmen." The Finnish name "ruoskasolmu" ("whip knot") was a translation from Esperanto, the language Ropponen used to correspond with Gaston. Finnish scout leader Martta Ropponen presented the knot in her 1931 scouting handbook Solmukirja ("Knot Book"), the first published work known to contain an illustration of the constrictor knot. The constrictor knot was clearly described but not pictured as the "timmerknut" ("timber knot") in the 1916 Swedish book Om Knutar ("On Knots") by Hjalmar Öhrvall. Hyatt Verrill illustrated Burgess' clove hitch variation in Knots, Splices and Rope Work. Burgess copied from Bowling, he changed this text to merely state "when the ends are knotted, the builder's knot becomes the gunner's Knot." Although this clove hitch with knotted ends is a workable binding knot, Burgess was not actually describing the constrictor knot. He wrote, "The Gunner's knot (of which we do not give a diagram) only differs from the builder's knot, by the ends of the cords being simply knotted before being brought from under the loop which crosses them." Oddly, when J. in relation to the clove hitch, which he illustrated and called the "builder's knot". Ashley's publication of the knot did bring it to wider attention.Īlthough the description is not entirely without ambiguity, the constrictor knot is thought to have appeared under the name "gunner's knot" in the 1866 work The Book of Knots, written under the pseudonym Tom Bowling. Although Ashley seemed to imply that he had invented the constrictor knot over 25 years before publishing The Ashley Book of Knots, research indicates that he was not its originator. First called "constrictor knot" in Clifford Ashley's 1944 work The Ashley Book of Knots, this knot likely dates back much further.
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