Constrictor knot
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Canonical Name : Miller's knot
Variant Names: constrictor knot,bag knot
Category: binding
Origin: Ancient
Related knots: clove hitch,
Releasing: Jamming.
Efficiency: Unknown%.
Caveat: Not easy to undo
Uses: Securing objects, closing bags and sacks.
A constrictor knot is a harsh binding knot which is very difficult to undo. It is made similarly to a clove hitch, but with one end passed under the main loop. Its relation to the clove hitch is similar to the anchor bend's relation to the round-turn-and-two-half-hitches.
It might be used for tying the neck of a bag (provided you don't want to re-open it in a hurry, or without cutting the binding).
Tied tightly with small-stuff, it is used temporarily to bind the fibres of a rope or strand end together while splicing or when cutting to length and before whipping an end. An alternative is to use a turn of plastic, adhesive tape for the same purpose.
Comments
It's also possible to finish the knot off with an additional overhand knot to give it some of the properties of a square knot.
See also
External links
- Grog's Animated Knots: How to tie the constrictor knot (http://www.grogono.com/knot/constrictor/index.php?LogoImage=LogoGrog.jpg)
- The Boa Knot & The Constrictor Knot (http://www.geocities.com/roo_two/boaconstrictor.html)
