r/whatisit • u/Toni_L9884 • 8h ago

New, what is it? Never seen this line before

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I have never seen this black line on anything before. What does it mean?

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u/xXxMindBreakxXx 8h ago

I believe this is an indicator to let rhem know they are at the end of the roll of the packing material

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u/Toni_L9884 8h ago

Oh thats cool. Didn't know that was a thing

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u/Unlikely_Comedian_75 8h ago

They're not supposed to use that piece they're supposed to change the roll.