Opening A   

The following Opening is well known by the practitioners all over the world.
The name "Opening A" is due to Alfred Cort Haddon. See [Haddon A.C & Rivers W.H.R. 1902].

 

Step 1

Position I

Step 2

R2 picks up Left palmar string and return

Step 3

Insert from above L2 into R2 loop,  pick up the right palmar string and return.

Final of Opening A

Extend. You have the string-configuration "Opening A"

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