This quick mod to your windshield spritzer acts as a safety device for both you and the idiot following much too closely.
Activated automatically by the backup camera, the Bubbleizer directs a thick stream of bubbles over your roof and into the path of the offender.
Increasing degrees of reprimand
solutions are available via the tank next to the washer fluid, from rainbow bubbles to gummy spaghetti, and even a mild acid etch. Colors, too!