From a parallel two-faced lines or waves: Ends facing in step ahead and slide toward the center and Turn Thru, ends facing out Cross Fold, centers Spread; original ends step ahead to become centers of the new two-faced lines or waves.
Bill Worley 1985
This definition is from News and Notes by Al Brundage, Earl Johnston and Ed Foote.
It is provided here for informational and educational purposes only.
