Start with the wide end on your right and the narrow end on your left, with the wide end hanging lower
Cross the wide end over the narrow end
Bring the wide end up through the loop between your collar and the knot
Pull the wide end down on the left side
Bring the wide end behind the narrow end to the right
Bring the wide end up through the loop between your collar and the knot again
Pull the wide end down on the right side
Bring the wide end across the front from right to left
Bring the wide end up through the loop between your collar and the knot a third time
Pull the wide end down through the front knot
Tighten the knot by holding the narrow end and sliding the knot upward
Center the knot and adjust it neatly at the collar