Page 418 - Bob Holtzman "The Field Guide to Knots How to Identify, Tie, and Untie Over 80 Essential Knots for Outdoor Pursuits"

1. Lay the two ropes with working ends facing. Make an underhand clockwise crossing turn in the rope on
the right (R1). Pass the standing part of R2 beneath the crossing turn, and take its working end over the
standing part and under the working end of R1.

414