Page 372 - Bob Holtzman "The Field Guide to Knots How to Identify, Tie, and Untie Over 80 Essential Knots for Outdoor Pursuits"

7. Pull the loops tight to finish the knot.

Untying: Pull both standing parts through the bight that surrounds them on

their way into the knot. Once this is loose, pull either loop out from beneath
the standing parts, then pull the other loop through the first one.

368