It’s because of the pointy edges. That’s the unforeseen problem with all sorts of keychains. Unless you keep them hanging from a belt or pouch, putting a keychain inside your pocket invites some ...

We don’t know if Batman has a keychain for the keys to the Bat mobile, the Bat copter, and all his other vehicles. But we are guessing if he did, it didn’t look like the one [krishnan793] picked up ...