From anywhere with a center wave or center facing couples (e.g., 3/4 Tag, Trade By): Centers Swing, Slip,
and Cast Off 3/4, while the outsides face as directed and Circulate two positions. If the centers start in
facing couples, they first Touch, then finish the call.
Left Spin the Windmill is the same, except that:
- It may only be used with the centers in facing couples or a left-hand wave.
- If the centers are in facing couples, they Left Touch before doing the Swing, Slip, and Cast Off 3/4.
For teaching: You can describe the centers' part as Swing Thru and Cast Off 3/4, or as Left Swing Thru
and Cast Off 3/4, depending on the handedness of the wave.