Page 124 - Patrick Moreau - Marine Knots How to Tie 40 Essential Knots

5 - Since this knot ends up being very thick, begin rounding it off using a finger, preferably the index.
Lead each working end over the standing end opposite it to bring it out in the middle of the knot in a
square.

6 - Be careful to respect the rotational direction of the rope by turning it to the left.
The two tag ends are now passed through the middle of the knot.
Hold the whole knot in your left hand and tighten it a bit to hold the strands.
Then pull on each standing end one at a time to tighten them.