Both boys sighed, "We were working on a potion that was supposed to render ourselves invisible. What we got instead was the ability to see through clothing. At first, we thought "Hey! This is great! We can ogle the Flying Foxes.’ Unfortunately, it’s turned out to be a major problem. It doesn’t render just outer layers invisible; it makes all clothing invisible! Worse still, the effects don’t care how old a person is. It’s not like we can selectively see who we want."