Page 11 - Patrick Moreau, Jean-Benoit Heron Marine Knots How to Tie 40 Essential Knots

• perpendicular to the center, which applies to direct knots, the ones of
most interest to us. The working end is led under part 2 and over part 1.

And thus we have the alternating over-under principle.

the half knot, or simple knot
This is the simplest, most straightforward knot and the one that everyone
knows.