Here, the human figure is throwing a football and, to learn proper technique while watching the video/succession of images, a viewer can change the orientation of the device to see {HEAD ~ different angles} of {TAIL ~ the human figure} to learn how to emulate the move 
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Here , the human figure is throwing a football and , to learn proper technique while watching the video / succession of images , a viewer can change the orientation of the device to see { HEAD ~ different angles } of { TAIL ~ the human figure } to learn how to emulate the move
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