From double pass thru formation: Centers Cast Back and then move behind trailing couples to face each other, pass right shoulders and move around the outside to meet the next dancer and Pass In. Trailing (outside) couples meanwhile do a Pass Thru and Partner Tag. Finishes in eight chain thru formation.
Earle Lewis 1970
This definition is from The Handbook of Modern Square Dancing by Jay King.
It is provided here for informational and educational purposes only.