Transomnia ‘Attack Cat on Duty’ Sign Warn your guests of your crazy cat with this humorous sign from Transomnia. Made from wood, this sign is decorated with a sneaky and mysterious black cat, black paw prints and bold writing that reads; ‘ BEWARE ATTACK CAT ON DUTY!’ The sign is attached to a thin piece of rope allowing it to be hung anywhere in your home reminding people to watch out for your cat! The perfect Christmas or housewarming gift for your loved ones.