Get your coworkers or your spouse back for drinking out of your favorite coffee mug with Plug Mug. Keep the stopper hidden and leave the mug with the hole in the cabinet. The thief will either realize they can’t use the mug or they’ll have quite the hot mess to clean up. Whether it ends up being a simple deterrent or hilarious gag, the Plug Mug will soon become your new favorite mug.

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