From one quarter tag formation: Do a (modified) Scoot Back. New outside dancers Quarter Right to form twin diamonds. All now Diamond Circulate and the outside dancers promenade one position in single file as the ends of the wave in the center do a Fold. Form two right hand stars and turn each one half and the new outside dancers promenade in single file one position and face the center of the set. Meanwhile the lead dancers in the center Roll Right to a wave. Finishes in one quarter tag formation.
