From any two dancers facing: Pass by each other right shoulders. Man always turns right one quarter and girl always turn one quarter left (Sex identity is always maintained on Slide Thru). BACKGROUND NOTE: Harlan Moody first presented this idea under the name of Curve Thru, but was persuaded to use the name Slide Thru instead.
Harlan Moody 1965
This definition is from The Handbook of Modern Square Dancing by Jay King.
It is provided here for informational and educational purposes only.