EVERYTHING HAS A NAME
'(<a href="http://www.j-archive.com/media/2005-02-15_DJ_10.jpg" target="_blank">Sarah of the Clue Crew reports.</a>)  It's not "that little piece of film that sticks out so you can load the camera", it's really called <a href="http://www.j-archive.com/media/2005-02-15_DJ_10a.jpg" target="_blank">this</a>'
the (film) leader