Checkmate is a savings app with over one million users that have saved $$$ on brands like Amazon.
The Checkmate extension automatically applies Amazon discount codes, Amazon coupons and more to give you discounts on products like Hoppe's No. 9 Cleaning Kit with Aluminum Rod, .38/.357 Caliber, 9mm Pistol (Packaging's May Vary).
Checkmate users have also been loving these products from Amazon.
Users have been saving products like this to their collections.