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
Lashing (ropework) clove hitch is tied around one leg only and frapping turns are taken between the poles. The round lashing is most frequently used to join two poles together to extend their length. In the simple version, a clove hitch is tied around both poles and there are no frapping turns. The tripod lashing (also known as gyn lashing, of eight lashing, and three-spar shear lashing) is used to join three spars together to form a tripod. Lashing (ropework) A lashing is an arrangement of rope wire or webbing with linking device used to secure and fasten two or more items