Page 349 - Bob Holtzman "The Field Guide to Knots How to Identify, Tie, and Untie Over 80 Essential Knots for Outdoor Pursuits"

5. Adjust the size of the two loops as needed, then pull the standing part against the working end to tighten
and knot and lock the loops.

Untying: Untie like a standard Bowline: lift the bight along the working part

until the working end is free of the crossing turn.

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