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Monday, 17 August 2015

Knot of the Week HD: How to Tie a Square Knot, Thief Knot and Other Variations : ITS Tactical

kotw-square-knot-main
Today, we’re reintroducing our Knot of the Week series with high-definition video, better angles and more information! Knot tying is a perishable and invaluable skill-set that can only be mastered with old fashioned repetition and it’s a skill that’s at the core of who we are as a company.
Knowing how to tie knots won’t win you any popularity contests and it certainly isn’t as glamorous as sending rounds downrange, but it can be just as important when it comes to saving a life. Yes, knots can save a life in certain circumstances you may find yourself in. Spend a little time untying knots as well, because what’s the point of tying them if you can’t untie them?
In the following KOTW video, I’ll be going through the Square Knot, as well as a few variations like the Granny Knot, Slipped Square Knot, Double Slipped Square Knot and the Thief Knot. What you’ll also find below is a rating system we use to help illustrate the properties of each knot.

Square Knot »

(Strength: 2/Security: 2/Stability: 1/Difficulty: 1) See below for what these ratings mean.
The Square Knot, or the Reef Knot as it’s sometimes referred to, is probably the best known knot. It’s primarily used to join two lines of similar thickness, however, it’s NOT reliable for ropes of different thicknesses. The Square Knot can slip if not under tension, so always back it up. Never use the Square Knot in a critical situation where lives are at risk!
“There have probably been more lives lost as a result of using a square knot as a bend (tying two ropes together) than from the failure of any other half dozen knots combined.” ~ Clifford Ashley, 258 Ashley Book of Knots

Uses

  • Used in first aid to tie bandages, as it lies flat
  • One of the most common knots in surgery
  • Used in demolition charges to splice det cord
  • Tie boot laces to prevent boots getting pulled off by mud

Ratings

Strength/Security/Stability/Difficulty
Each knot will be assigned a rating from 1-5 (1 representing the lowest score) based on the following four properties:
Strength – All knots will weaken the strength of  a rope, however, there are knots that are stronger than others. The scale here will reflect how strong the rope remains with the specified knot.
Security – The security scale refers to how well the knot will stay tied, and resist coming loose under a normal load.
Stability – Stability refers to how easily the knot will come untied under an abnormal load (i.e. the knot being pulled in a direction it was not intended to) A lower score here represents instability.
Difficulty – The lower the number, the easier a knot is to tie.


Knot of the Week HD: How to Tie a Square Knot, Thief Knot and Other Variations : ITS Tactical:



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