Why Do Hard Coolers Have Rulers on Their Lids?
VinePair
JULY 4, 2024
This article is part of our Cocktail Chatter series, where we dive into the wild, weird, and wondrous corners of history to share over a cocktail and impress your friends. You may have noticed that coolers — especially the larger, more rugged-looking ones — have inch-long notches spanning the length of their lids. You also may have wondered why a vessel primarily used for keeping food and drinks cold comes equipped with a ruler.
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