A couple under the bumper moves bugs out of the way. Along the gas lines purifies the gas- the car runs better! One stuck to the sunroof attracts positive gamma rays, making one feel better about himself. Tape one to your driver's license and cops will let you off! If this guy's website doesn't work, email me and I'll send several of these "conveyors of earth's force" for only $12.95 ea. plus S&H.