Knot point constructed on the standing end (such as a loop or overhand knot) into which the working end is easily hitched, using a round turn. An example of this is the bowline. "Constricting" knots often rely on friction to cinch down tight on loose bundles; an example is the Miller's knot. Knots may belong to more than one category. Trick knots are knots that are used as part of a magic trick, a joke, or a puzzle. They are useful for these purposes because they have a deceptive appearance, being easier or more difficult to tie or untie than their
International Guild of Knot Tyers expressed a wish to be involved from the outset but due to distance were unable to attend the opening meeting. In 2001, archaeological historian Mike Loades attempted a reconstruction of a British Iron Age chariot. He called upon IGKT member Richard Hopkins for his knowledge and experience of how to use the binding and lashing materials available at that time - rawhide, hemp, and flax - and described his contribution to the project as "invaluable". This involves tying six basic knots - reef knot, sheet bend, sheepshank, clove hitch, round turn and two half-hitches and bowline - against the clock.