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Receive a 10% credit in your Beckett Wallet for each friend who successfully places an OPG order.Your friend will also save 10% on his first OPG purchase.
This one-card set features four small color photos of the New York Yankee's pitching coach, John Sain, demonstrating how to use the Spinner, a device to teach the mechanics of a Curveball, Fast Ball, Sinker, and Screwball. The back displays a postcard format with an ad for the Spinner and instructions on how to obtain it.
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