Yup, much like LifeSavers candies, the holes prevent asphyxiation in case someone accidentally swallows the cap. Originally, manufacturers feared that children would be prone to choking on caps, but we’d reckon that adults are just as vulnerable to this mishap.
That’s right! If you didn’t already know this hack, you’re welcome. Now, you can use fewer utensils and keep your kitchen a little cleaner while cooking and baking. (Ya know, if you do either of those things.)