MEASURE YOUR SHOT (M.Y.S.) is a methodology and technology of two billiard balls, each ball including nine (9) one quarter inch (¼″) lines scribed 360 degrees, the lines are scaled to diamonds on rails of a billiard table. With the aid of the diamonds and lines it becomes simple for a user and spectators to recognize the type of shot. The training balls provide a tool for improving a user's shot.