Flip up plate

Anyone knows what this is and where to get one?
Image: https://cimg0.ibsrv.net/gimg/my350z.com-vbulletin/2000×1124/b98ea110_f35b_4d6d_a4da_ccb48c8642f3_073e091d9f1fe2b540fbd05657568266df522857.png

  Comments | By - June 16, 2019