Page 67 - Peter Randall "The Craft of the Knot.."

STEP 3 Fold left side of the loop over the right one and through the
crossing turn.

STEP 4 Pull the standing part and both loops evenly to get the final
form.

Strong and secure, the two loops of the Triple Crown Loop Knot can take

strain independently. If the knot is tied close to the end, tie off the
shorter standing part to the longer one with a knot of your choice—it
will make the knot more secure. After tying the Triple Crown Loop, you
can turn it over and crown it again if you like.