At first glance, it looks like a weird metal puck with a knob sticking out of it.
It’s sitting on a countertop like it belongs to some forgotten machine… and it triggers that specific kind of “I’ve seen this before” feeling.
Some people guess it’s a kitchen tool. Others swear it’s from a car. A few think it’s a random part that fell off a larger appliance.
But if you grew up in certain homes, you know exactly what it is—and why it used to be everywhere.
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