Props are integral to the success of any movie or TV show. Weapons, books, newspapers, eyeglasses, military gear, medical equipment-virtually anything that a character holds, reads, uses, or shoots on screen is provided by the props department. The right prop can become an iconic plot point on which the entire story pivots, turning that item into a fabled piece of Hollywood history. The wrong prop can expose a film or a TV show as a shoddy production,...