I'm actually laughing because I've been in this exact heist movie! My Houdini, a clever Beagle mix, could unlatch the plastic feeder I started with. The turning point for us was switching to a WOPET water fountain . What's been a lifesaver is the super secure, screw-on lid. Seriously, it's like a bank vault. He'll sit there and glare at it, but even his most determined nose-bumps and paw-swipes can't get it open. The portion control is also fantastic for his waistline. I can even record a little "dinner time!" message, which strangely seems to distract him from his master-thief plotting. It was the best purchase to reclaim our kitchen from his snack-based operations.