Knot for adjusting the length of a loop using both ends of a cord
I have a requirement where I want to tie a knot with the two ends of a cord where the length of the loop can be adjusted using either of the ends. (The knot has to be present on both the ends of the cord)
I want to use this to hang my compass/whistle (or any other smaller objects) around my neck while I go outdoors. While fixing the length of the cord would work in most of the cases, using an adjustable knot allows for the cord to be used by multiple people without retying or using a different length cord.
This post was sourced from https://outdoors.stackexchange.com/q/19005. It is licensed under CC BY-SA 3.0.
2 answers
A double fishermans can be adjusted for length by pulling on each knot and sliding them along the strand. You can also adjust the tail lengths and increase the number of turns to improve the appearance and use up extra slack.
This post was sourced from https://outdoors.stackexchange.com/a/19006. It is licensed under CC BY-SA 3.0.
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In addition to @Mike's excellent answer I'd like to suggest replacing the barrel knots of the double fisherman's with blake hitches. If properly dressed and set this will prevent the loop from sliding back to full length when under load, whereas the double fishermans slides a lot quicker.
This post was sourced from https://outdoors.stackexchange.com/a/19024. It is licensed under CC BY-SA 3.0.
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