You’re a Mac. So, you’re a fan of good design, clean space, and keeping it simple. The BackPack from Twelve South is here to help. It’s a sturdy, sleek-looking shelf designed exclusively to attach to the desk stand of flat-screen iMacs and Apple Cinema Displays. This handy little piece of heavy gauge steel is perfectly sized to hold backup hard drives, USB peripherals or even a charging iPod. Or show your personality and entertain office visitors by displaying toys and gadgets on a forward-facing iMac.