If you’re the average Joe, you don’t let your Retina MacBook out of your sight. But what if you’re an IT guy with a fleet of these things to secure on a client site? What to do?MacLocks has just launched a locking case for the Retina MacBook, allowing folks to snap down their laptops almost anywhere. The case actually envelops the MacBook and the looped cable then fits over a table leg or pillar.