From a one quarter tag formation: Ends Trade, centers Trade (in the wave) then all "Circulate" once. Finishes in a one quarter tag formation.
NOTE: This "Circulate" is done in split diamonds in which dancers going to the outside do a full U-turn back. This form of "Diamond Circulate" preceded the type that was later adopted.
Jack Bright 1970
This definition is from The Handbook of Modern Square Dancing by Jay King.
It is provided here for informational and educational purposes only.
