Did You Know That There’s a #TinFoilCat Movement That Protects Cats From Mind Control? 10 CommentsDid you know that there is an online movement called #TinFoilCat where people put tin foil hats on their cats to protect them from mind control? Well, now you know… Photo by Cole Mozelesky . Want to join these people? Get a tin foil cat hat, put it on your pet’s head, and upload to instagram with a #TinFoilCat hashtag. .