MOVIEMAKING
'(<a href="http://www.j-archive.com/media/2006-02-16_J_20.wmv">Kelly of the Clue Crew claps together a traditional movie set sight.</a>)  Your film teacher will insist you use one of <a href="http://www.j-archive.com/media/2006-02-16_J_20.jpg" target="_blank">these</a> before each shot; the sound of it helps sync up audio & video'
a slate board