King's Hawaiian is making its Super Bowl ad debut in the fourth quarter with "False Cabinet." Created by the Levit Agency, the ad plays off the popularity of the brand's rolls. Once you open a bag of them, they're gone. So someone comes up with a quasi-smart way to have a stash of rolls at the ready: a false cabinet behind a normal kitchen cabinet. The only hiccup in this solution is, the rolls fall inside a grandfather clock in another room and this hiding space has been discovered by the young son. The …