From completed double pass thru or trade by formation: Outsides Cloverleaf. Centers partner tag. Finishes in eight chain thru formation. NOTE: Horseshoe Turn (along with Load the Boat) stands at the head of a very large family of similar combination movements in which one set of couples does one series of moves while the other set does another series simultaneously.
Doug Johnston 1965
This definition is from The Handbook of Modern Square Dancing by Jay King.
It is provided here for informational and educational purposes only.