20th Century Fox just provided us with a special Red Band featurette for Mirrors wherein director Alex Aja discusses the making of the "signature" jaw-rip scene.

The clip is definitely rated 'R', so be warned before you click the player below!

Directed by Alexandre Aja, the horror film stars Kiefer Sutherland, Paula Patton, Cameron Boyce, Erica Gluck and Amy Smart. The film centers on a mall security guard who becomes wrapped up in a mystery involving a particular department store's mirrors that seem to bring out the worst in people.