Page 90 - Patrick Moreau, Jean-Benoit Heron Marine Knots How to Tie 40 Essential Knots

At this point, the knot is basically completed, and though it is quite simple, it can be used as is.
Tension can be applied to the knot as long as the standing end is tight!
As soon as the tension is released, it will come undone by itself.

2 - Of course, the true value of this knot is revealed when it can also stay intact after the tension is
released.
To do this, the construction that we have just created must be locked into place.
The working end simply needs to be led under the whole structure and it should parallel the same
path as the final eye.