Amazon.com: BGGTMO License Plate Cover Frame- Clear Flat License Plate Cover & Stainless Steel Car Tag Holder, Rustproof Unbreakable Novelty Protector with Mount Screws, Chrome Caps, 1 Set for Front or Rear :
License Plate Flipper
Amazon.com: Aootf License Plate Protector-Clear Novelty Plate Cover with Silicone License Plate Frame for Car Tag, Unbreakable Cover to Protect Front or Back License Plate with Screws,Caps : Automotive
San Francisco Wants to Eliminate Illegal License Plate Covers - The New York Times
Texas Driver Avoided $5,400 in Tolls by Using Illegal License Plate Flipper, Say Police