User blog comment:Zolnir/RWBY Episode 3 Short Speculations/@comment-5217560-20130804192442/@comment-23784953-20130805005853

Case in point, Touko Aozaki from Kara no Kyoukai. The method she changes characteristics? She removes her glass and goes jackass mode. And she's usually one of the more 'nicer' characters.

A possible theory is that Ozpin's cane may have the same effect.