From a Couple, Mini-Wave or other applicable formation
(two dancers on the same plane with shoulders toward each other). EN: 10
Walk forward in an arc, changing your facing direction by 180° to exchange places,
so that each dancer ends in the other dancer's starting spot. EN: 20
If both dancers start facing the same direction, pass Right-shoulders as you meet. EN: 30
Notes:
Those doing the Trade need not be immediately adjacent. For instance, from a Line,
Ends Trade has the Ends change places with each other (while turning 180 degrees). EN: 50