From any formation with ends or outsides (preferably in tandem): Ends 1/2 Zoom, Hinge & Spread, centers Trade and Roll (1/4 In) and Pass the Ocean. With use of But, any call may be substituted for the centers part or portion thereof.
Richard Dinkel
This definition is from SCVSDA Note Service by Bill Davis.
It is provided here for informational and educational purposes only.