Double bowline is easier to untie after being weighted in a fall, and so is used by sport climbers who take multiple lead falls and then have trouble untying their figure eights. The disadvantages of the double bowline are that it is less secure than a figure eight knot, takes longer to tie, and is not as easy to check. Unlike the figure eight, there are many variations of the bowline, with ambiguous names, and some are not safe for climbing. The Bowline on a bight, when re-threaded instead of being tied on a bight, can also be used for tying into
Cow hitch resistant to loosening than the clove hitch as the animal wanders around the post. In general, however, this single-ended form of the cow hitch is less stable compared to the variations in which both ends are loaded. This form is commonly known as a strap hitch or girth hitch. The latter term being common among climbers. It is the method commonly used to attach luggage tags which have a pre-tied loop of string or elastic. This form is also often used to connect loop-ended lanyards to handheld electronic equipment, since it can be tied without access to the ends of