From double pass thru formation: Centers step up and Swing half by the right. Trailers, working on own side of the column, Veer left and step forward to become ends of end to end two faced lines.
NOTE: A lot of room is needed suddenly in the center.
Dave Platt 1976
This definition is from The Handbook of Modern Square Dancing by Jay King.
It is provided here for informational and educational purposes only.