Six couples to a set. Count off as No. 1, No. 2, No. 3, then No. 1, No. 2 and No. 3 again. Dancers form sets with two couples (in a line of four) at the heads and one couple at the sides. Grand right and left takes seven hands to partner.
Jim Gammalo 1968
This definition is from The Handbook of Modern Square Dancing by Jay King.
It is provided here for informational and educational purposes only.