If you’re always saving up cash to pay for the latest pair of headphones, you might as well stash that savings in a proper bank. These headphones store a bit of cash right inside of the earpieces. Sure, they may not hold much, but at least you’ll have a quirky bank to store loose change. Sadly you’ll be using a whole lot of that change just get one of these Lo-Fl Piggy Banks. For one pair it’ll cost you $35 through Amazon.