From parallel waves: All arm turn half, new ends circulate twice and new centers arm turn 3/4. Centers of the new wave across the set Trade and then arm turn adjacent end half to form twin facing diamonds. All now Diamond Circulate. New centers arm turn 3/4. Finishes in parallel waves. (Right hand waves change to left hand waves and vice versa.)
Fred Christopher 1972
This definition is from The Handbook of Modern Square Dancing by Jay King.
It is provided here for informational and educational purposes only.