How to Tie the Slipped Constrictor Knot

 

Usage

The Slipped Constrictor Knot is a VERY secure binding knot with the added benefit of a quick release. It can be released by tugging on the working end. 

Why Learn the Slipped Constrictor Knot?

This knot combines the powerful grip of the traditional Constrictor Knot with the convenience of a quick release, making it versatile for temporary binding tasks.

Common Uses

  • Utility and Household Applications:
    • Temporary binding of objects that need secure yet releasable fastening.
    • Securing the necks of bags or bundles.
  • Outdoor and Survival Use:
    • Improvised hose clamps or cable ties.
    • Binding the ends of rope during splicing.

 

 

ABOK Number 

(Ashley Book of Knots) 

  • #1250

     

    Other Names

    • Quick Release Constrictor Knot
    • Slipped Binding Knot

     

    Type

    Quick Release Knots

    Binding Knots

    Self-Tightening Knots

     

    Notable Features

    • Quick Release: Can be untied by pulling the working end.
    • Non-Jamming: Less likely to jam compared to a traditional Constrictor Knot.
    • Secure Grip: Provides a strong hold when tied correctly.

    Variations

    Constrictor Knot vs. Slipped Constrictor Knot

    • Constrictor Knot: Extremely secure but difficult to untie.
    • Slipped Constrictor Knot: Slightly less secure but easily released.

    Clove Hitch vs. Slipped Constrictor Knot

    • Clove Hitch: Easier to tie but less secure.
    • Slipped Constrictor Knot: Provides a much firmer grip with a quick-release option.

    Similar Knots

    Constrictor Knot vs. Slipped Constrictor Knot

    • Pros: Extremely secure for permanent binding.
    • Cons: Difficult to untie and often needs to be cut.

    Clove Hitch vs. Slipped Constrictor Knot

    • Pros: Simple to tie and adjust.
    • Cons: Less secure for binding purposes.

    Miller’s Knot vs. Slipped Constrictor Knot

    • Pros: Effective for binding sacks and bags.
    • Cons: More complex to tie compared to the Slipped Constrictor Knot.

    History

    The Slipped Constrictor Knot is a variation of the traditional Constrictor Knot, designed to address the difficulty of untying after heavy use. It has been recommended in various applications, from household bindings to surgical ligatures. Its effectiveness in binding materials has made it popular in both everyday and specialized tasks.

    Security Level

    The Slipped Constrictor Knot is secure for temporary bindings but may slip under extreme loads or when tied with smooth materials.

    Downsides

    • May Slip: If not properly tightened.
    • Less Secure: Than the traditional Constrictor Knot.

    Structure

    1. Wrap the working end around the object and cross it over the standing line.
    2. Make another wrap around the object, bringing the working end to the front.
    3. Tuck the working end under the two wraps.
    4. Form a bight and pass it under the two parts of the knot.
    5. Tighten the knot by pulling on the standing line and the loop created.
    6. To release: Tug on the working end to pull the bight through the knot.

    FAQ

    What is the Slipped Constrictor Knot used for?

    It is used for temporary bindings that require a strong hold but easy release.

    How does it compare to the Constrictor Knot?

    It offers a quick-release feature but is slightly less secure.

    Can it be untied easily?

    Yes, by pulling on the working end, the knot releases quickly.

    Is it suitable for permanent bindings?

    No, it is best used for temporary applications.

    Important Notes on Safety

    Ensure the knot is tied correctly to avoid slippage, and avoid using it in critical load-bearing situations where maximum security is required.

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    Step-By-Step Illustration

    sample image