LR III | Remove and Install the Internal Shield Remove and Install the Internal Shield The Internal Shield provides a barrier between the interior working surfaces of the Globe and interior area used by your cat, which prevents waste and litter residue from coming into contact with your cat. WATCH VIDEO TUTORIAL Choose files or drag and drop files Tags: Was this article helpful? Yes No Marketing Team Posted Updated TweetShare on Facebook Comments Please sign in to comment Darrin McDufford The internal shield or the key have broke. I have watched the video and attempted to return the shield to the start position. PLease assist.