Analysis of information sources in references of the Wikipedia article "هارنس سنگنوردی" in Persian language version.
Because this knot unties so easily, sometimes even by simply rubbing against your body
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the double figure eight is a cinch knot: The tighter you pull, the tighter the knot cinches on itself.
the double bowline with a Yosemite finish is a less common way to attach the climbing rope to a climber
double bowline is more complicated than the Figure Eight and partner checks are harder to verify. … single bowline is not safe while the double bowline is difficult to tie but is easier to undo after taking strain
A knot that can be shaken loose to spill of its own accord, such as the bowline … is an insecure knot.
there are many versions of the bowline, some of which are unsafe for climbing … Bowline on a Bight, Retraced Through Harness w/ Yosemite Finish … is the safest option
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