Why Knot?: How to Tie More Than Sixty Ingenious, Useful, Beautiful, Lifesaving, and Secure Knots! by Petit Philippe

Author:Petit, Philippe [Petit, Philippe]
Language: eng
Format: epub, mobi, azw3
Publisher: Harry N. Abrams
Published: 2013-04-09T00:00:00+00:00

TOGGLING

A toggle is a foreign object (usually a strong, short cylinder, such as a pin, rod, or bolt) inserted through the eye or loop of a rope or through part of a knot and placed at a 90° angle to bind it temporarily. In general, knots that have been toggled are easier to untie once the toggle has been pulled out. In some cases, toggling allows for prompt or instant release of a knot or prevents one portion of the knot from capsizing. Sometimes toggling makes the knot more secure and increases its strength (by dissipating the strain introduced by tension into the nip of the knot); see Sheepshank with Toggles {this page}, and Double Sheet Bend with Toggle {this page}. If you use a slightly tapered item, such as a fid or marlinspike, as a toggle, it will be easier to insert and pull out. In emergency situations anything that can “block” the rope will do—I used a pencil once on a knot tied with shoelaces. When toggling, make sure the item chosen is stronger—engineers would say “more resistant”—than the rope in use. Clifford Ashley liked to group Toggled Knots in the family of Artificial Bends, since “they rely on a third object to make them secure.”1

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