From applicable Parallel Lines, Twin Diamonds, or other formations.
Outsides Cast A Shadow But Don't Spread (1/2 Zoom, Cast Off 3/4) as Centers do the anything call.
Comments and Examples:
Formation is the name of the center formation. For example, from Twin Diamonds, a Shadow Wave Spin The Top has the Ends Cast A Shadow But Don't Spread as the Center Wave does a Spin The Top.