Bowline on a bight a climbing harness by tying a regular bowline knot and then re-threading it, such as is done with a figure eight knot. However, it is "critical" to use a strong backup knot with plenty of tail beyond the knot, as the knot may untie during long climbs. The advantage of using this knot instead of the figure eight knot is that it can be easily untied after a severe fall. The bight of rope is initially used to make a bowline in the usual way (picture on right). However, the bowline is "not" completed by going on round the standing
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