Amazon offers the 3M Headlight Restoration Kit, model no. 39084, for $1.87 with free shipping, via the directions below. That's $2 below our October mention and the lowest total price we've seen. (It's a current low by $9.) This automotive headlight kit purports to remove scratches and restore cloudy, dull lenses. Rebate ends December 31. To get this deal:
  1. View the 3M Headlight Restoration Kit for $9.26
  2. clip the $1 off coupon to drop it to $8.26
  3. add it to cart via Subscribe & Save to cut it to $6.87
  4. redeem this $5 mail-in rebate for a final price of $1.87
Be sure to cancel Subscribe & Save after your order ships to avoid being billed for subsequent shipments.