Niffler will constantly search for and eat shiny things such as quarters, nickels, dimes and pennies. This is the very reason you need this Niffler coin wallet. How can Niffler eat your valuables if they're already inside of him? Instead of Niffler running off with your money, keep him as a pet and feed him whenever you hear a jingle in your pocket. Before you know it, you'll have a nice little nest egg in your purse.