thumb and index, and catch the string on the back of the left hand (fig. 767), and pull it to the right between the left thumb and index and on the near side of the hanging string (fig. 768). do not pull the loop entirely out, but with the right index give it one twist away from you (fig. 769), and put it on the left index (fig. 770).
pull down the two hanging strings, in order to hold tight the loops on the thumb and index.
third: in the same way pass the right index on the near side of the hanging string (fig. 771), between the index and middle finger, 