From a wave, line of four or two-faced line: Ends Crossrun, then do a Trade with the new ends. Right hand waves finish as left hand waves; regular lines finish as lines with centers facing one way and ends facing the other; two-faced lines finish as two-faced lines.
From parallel lines or waves: Partners or "Neighbors" Tag. New centers Turn Thru while those facing out turn back to form right hand waves. Those facing in weave by right shoulders then catch left int he center for a Single Hinge. Meanwhile those facing out Quarter Right to become ends of parallel waves.
From parallel lines/waves with ends in tandem: Ends Hourglass Circulate to become very centers and very ends, original centers Hinge; Center four in the diamond Flip the Diamond as the outside four move along to the next (Counter Rotate 1/4) and Slide Thru.
This definition is from SCVSDA Note Service by Bill Davis.
It is provided here for informational and educational purposes only.
From a line of four: Centers take one step forward as the ends slide together to stand behind them. Finishes with one couple behind another. If the extra calls "In, Out, Right, Left or Zig Zag" are added, each individual dancer turns in place as required (Dewey Berry 1971).