How to tie the Double Constrictor Knot

The double constrictor knot is a great option for creating and anchor point with your rope. The double constrictor knot tightens on its self making it super secure, even after even a small amount of tension it will be so tight that you will require a pick or a knife to undo the constrictor knot.
It is a stronger and even more secure version of the single constrictor knot. It is particularly useful when tying the knot with very slippery twine, especially when waxed. Adding more than one extra riding turn does not add to its security and makes the knot more difficult to tighten evenly.
The double constrictor knot can be used to secure your rope to any object or can even be attached to another length of rope. Many say that the use cases for the constrictor knot are only limited by your imagination.
We hope you enjoyed todays Knot Knots demonstration, if you are interested in increasing your knot tying knowledge why not pick up a copy of what many sailors still call the knot bible. First published in 1944 this book has stood the test of time. With over 3900 different kinds, from simple hitches to “Marlinspike Seamanship.” Mr. Ashley has included almost everything there is to know about them. Precisely named and classified (some new ones for the first time officially), they can be easily found in the big index. He tells when they appeared, something about their history, and what they are good for.
Click the link below to pick up a copy of the Knot Bible.
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[@sren1446]

Best video on double constrictor i have seen. Thanks Sir 👍

[@BottomUPBoats]

Thanks for the feedback, comments like this make our day !!!

[@stan4now]

Thank You for the best demonstration of a double-constrictor knot. The intro was good, too.
We use this knot as an anchor point for nylon rope barriers at ski areas on ski patrol.
They're fairly easy to undo with a nylon rope after releasing tension.
By working/twisting the not back and forth does it.
I rarely use my leatherman flat screwdriver.
Usu when it's frozen in ice below zero.

[@BottomUPBoats]

Thanks for sharing your story and the use case from the snow. Hopefully you can use this video to train up new member of the ski patrol to allow them to keep the barriers in place and teh skiers safe :)

[@Kit2Canada]

Good reminder, thank you

[@BottomUPBoats]

You are welcome

[@Kit2Canada]

@@BottomUPBoats as for the previous person’s post. They are a lot like clouds (if you get my drift?)

[@BottomUPBoats]

@@Kit2Canada totally !!!

[@captainmatt79_41]

"will require a pick or a knife to undo" isn't exactly boat friendly.

[@BottomUPBoats]

True, with that said it you want to lock something in place permanently it is hard to go past this one 👍

[@chuckprichard3691]

By the time I got through your intro I was already bored.

[@BottomUPBoats]

Not sure how to make an educational video about knots exciting. Skip to the 20 second mark and in less than a minute you will have a new knot in you tool kit.