At first glance, it looks like nothing more than a small scrap of metal—something you might flick into the trash without a second thought. But if you have ever picked up a sausage stick and noticed the tiny aluminum ring clipped to one end, you have encountered a carefully designed detail that most people overlook. This small metal piece is not decorative, accidental, or leftover packaging. It serves a specific and important function that begins long before the…
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