Rusty cylinder object found at garage sale leaves online users confused

Recently, a woman found a peculiar object while rummaging through old items at a garage sale.
Not sure what it was, and hoping to solve the mystery, she shared a post on Facebook, which left some users scratching their heads.

Take a look and see if you can figure it out. We’ll give you one hint: The 100-year-old household tool has experienced many transformations over the years but its purpose has never changed.

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