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How to Tie a Re-Threaded Figure of 8

Step 1

How to tie a figure of eight step 1
How to tie a figue of eight knot – stage 1

Make a loop, in the rope and thread the rope back round into the loop to create an 8 shape. This is known as a single figure-of-eight. To tie a re-threaded figure-of-eight you will need approximately 1m of rope at the working end.

Step 2

Figure of eight and karabiner
How to tie a figue of eight knot – stage 2

Pass the working end of the rope around an object (in this case a karabiner) but if you were tying into a climbing harness you would need to go through both the top and bottom loops. Next re-thread back in to the figure-of-eight. Note that the working end goes into the same loop it left from.

Step 3

Tieing a re-treaded figure of eight stage 3
How to tie a figue of eight knot – stage 3

Now follow the the rope so that both ropes are parallel all the way until you are back at the point you started with on your single figure-of-eight. Your re-threaded figure-of-eight is now complete and to tighten if up pull both ropes are each end. The re-threaded figure-of-eight is an incredible strong and reliable knot on its own, however it is best practice to finish it off with a ‘stopper knot’ to ensure there is the correct amount of tail left (10cm approx. 3-4inchs).


The figure of eight knot is generally accepted as being the industry standard (or best practice) for tying into a climbing rope. It can also be used to attach to an anchor (though a more easily adjustable knot would be the bowline).


It is a very simple to learn and easy to recognise once tied. It will also stay tied even with fairly stiff rope. It is also a relatively strong knot, and in test its breaking strain is varies from 66-77% of the ropes full strength.


It can be difficult to untie after loading but better than knots such as the overhand knot. It is not easily adjusted when using with anchors, other knots such as a clove hitch or a bowline would be recommended here.

By Tom Hatt

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