The business seller, MMA One Stop Shop, sells MMA gear on marketplace sites such as Amazon and eBay. One of their items, a set of boxing workout DVDs, were listed as "Boxing Workout DVDs, 2", on Amazon. Underneath you could choose '1' or '2'. However, selecting either of these numbers does nothing except change a variable called 'size' on the page, which does nothing. No price change, no image change (the product images do not even match the product so you cannot compare). The product description then... read full review »