FREE Rain-X & Black Magic @ Meijer After Rebates Meijer Shoppers - Get a can of Rain-X Mud-X and a can of Black Magic Diamond Wet Tire for free with these mail-in rebates HERE! Click the 'View Details' button for each rebate and print out the mail-in rebate form. Purchase one Rain-X Mud-X Protectant Spray and receive a rebate check by mail for $7.99 Purchase one Black Magic View Post