Parking sensor cover stickers, with these you can cover parking sensors into not recognizing the object in front, e.g. front guard or step boards at the back. Good for front guard installations, by installing these on top of the two inner sensors, the outer ones will work normally, the middle ones are out of the game. Shiny black plastic about 3mm strong and 18mm in diameter
The only model known that these wont't work is the Ford Transit Van 2020-> and newer.