It's a device that's in every shot in every movie ever made. And yet cinema audiences never see the clapperboard, used in filmmaking production to assist in the synchronizing of picture and sound, and to designate and mark the various scenes and takes as they are filmed and audio-recorded. Fortunately, there are plenty of still photographs depicting this essential piece of equipment as it's being used, along with the movie stars present as the director shouts action!
Click through for some of cinema's best clapperboard scenes.