Page 528 - Bob Holtzman "The Field Guide to Knots How to Identify, Tie, and Untie Over 80 Essential Knots for Outdoor Pursuits"

Method 1: On a Bight

Use this method when both working ends are free and will be tied to the object
being secured after the hitch is in place.

1. Double the rope, making a bight at the halfway point. Pass the bight through or around the fixed object.

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