Checkmate is a savings app with over one million users that have saved $$$ on brands like Nerd Riot.
The Checkmate extension automatically applies Nerd Riot discount codes, Nerd Riot coupons and more to give you discounts on products like Atomic Blonde T-Shirt.
Checkmate users have also been loving these products from Nerd Riot.
Users have been saving products like this to their collections.