Here, {HEAD ~ the human figure} is throwing {TAIL ~ 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 different angles of the human figure to learn how to emulate the move 
is throwing
Here , { HEAD ~ the human figure } is throwing { TAIL ~ 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 different angles of the human figure to learn how to emulate the move
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH