From a right hand wave: Ends arm turn adjacent dancers half, new centers arm turn 3/4 and spread. New ends do a Partner Tag Left and all do a Diamond Circulate where new centers (the ones who tagged thru) arm turn 3/4. Others U-turn back. Finishes in a right hand wave.
This definition is from The Handbook of Modern Square Dancing by Jay King.
It is provided here for informational and educational purposes only.