Page 184 - Bob Holtzman "The Field Guide to Knots How to Identify, Tie, and Untie Over 80 Essential Knots for Outdoor Pursuits"

5. Pass the working end through the first crossing turn (i.e., the bight) from back to front. Pull both ends to
tighten.

Untying: Grab the tops of the two crossing turns. Pull the working end

through the turn on the standing end.

180