Getting your hair to have just the right balance is vital if you’re a villain. You don’t want to end up looking like Kim Jong Il. To make sure you’ve got a killer do you need a killer comb. One of these might help. It’s a comb with a hidden stiletto dagger in the handle. Found here.
Or perhaps you just want to get in the right head space. This one’s not quite so subtle – or dangerous. Found here.