There is something about a grown man wearing a backpack that can make him feel like a little kid on the first day of kindergarten, and that is not a good thing. Luckily, the people at Mojo Backpacks have found a way to keep the benefits of a backpack (it holds a bunch of stuff and is comfortable to carry, obviously) without infantilizing the owner—they put a tough-as-nails looking skull on it. Today's InkedShop Product of the Day is the "Mr. Peterson Skull" Backpack by Mojo Backpacks, available today at INKEDSHOP.COM for the sale price of $39.16 (reg. $48.95). As if you weren't already sold on this being the most badass backpack on Earth allow us to let you in on a secret, it glows in the dark! It's sold exclusively at INKEDSHOP.COM so head on over and pick one up.