What's more frustrating, when your food goes bad or when you lose something? If you answer the former, this life hack is for you. By using an old glasses case, you can keep bags of chips and sweets closed to stop air from getting in and stop the food from getting stale. But, if you answered the latter, you don't want to do this at all. You're just going to wind up losing your glasses.
They actually make great clips that serve this exact purpose, and they're available for cheap all over the place. Glasses cases, on the other hand, are expensive, so we don't quite understand this one.