Men’s Journal aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. While many holiday sales are centered around fun-to-have items, Walmart’s early Black Friday deals are largely aimed at supremely useful products— storage shelves , gym equipment , portable inverters , and more. But one in-case-of-emergency-type product that anybody would be glad to receive (even if gifted to themselves) is this ca...
