From facing dancers: Step into a right hand mini wave (Right By), do a Single Hinge and Step Thru. If started from facing couples, finishes in a variant of Z formation with the lead couples ahead of the trailing two who are shoulder to shoulder. On Left By, step into a left hand mini wave then Single Hinge and Step Thru.
Pete Ellis 1976
This definition is from The Handbook of Modern Square Dancing by Jay King.
It is provided here for informational and educational purposes only.