Page 230 - Bob Holtzman "The Field Guide to Knots How to Identify.."
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2. Bend both working ends back toward their own standing parts. Take the working end that is now on the
left and pass it over the one that is now on the right.
3. Pass the first working end through the bight that has formed in the other rope, from back to front. You’ve
just made a second Half Knot in the opposite direction. Pull both working ends tight.
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