So you missed that self-defense class with your gal pals, but don’t worry! Fortunately acrylic nails can be great weapons too, even if you never learned any of the specific techniques used to ward off an attacker in a moment of danger. Okay, maybe you should have attended the class...but these sturdy, sharp nails will sort of work as self-defense tools, too! Here are four gorgeous nail looks that will make up for what you missed.