Clove hitch
Knot
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The clove hitch is an ancient type of knot, made of two successive single hitches tied around an object. It is most effectively used to secure a middle section of rope to an object it crosses over, such as a line on a fencepost. Wikipedia
Category: Hitch
Origin: Ancient
Typical use: Securing lines running along a series of posts, belaying, starting lashings, weak binding