Page 642 - Bob Holtzman "The Field Guide to Knots How to Identify, Tie, and Untie Over 80 Essential Knots for Outdoor Pursuits"
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7. Pass the newly cut end all the way through the bight.
8. Tie a Marlinespike Hitch around a spike in the working end of the bight at the bottom of the whipping.
Pull on that end, to bring the eye of the bight under the wraps. It will pull the opposite end of the thread
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