Clapperboard
Videos
A clapperboard, also known as a dumb slate, clapboard, film clapper, film slate, movie slate, or production slate, is a device used in filmmaking, television production and video production to assist
Clapperboard c. 1953
A traditional wooden slate clapperboard.
A clapperboard in use
A Denecke clapperboard containing LED display with SMPTE Timecode and colored stripes on the sticks.