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People are just realising why Heinz tomato ketchup has a number above the label
news comes after people also worked out what the tiny pockets in a pair of jeans are for over the weekend.The small pockets actually date all the way back to 1890, when they were stitched into Levi's 'waist overall' jeans.They used to be commonly used for pocket watches back them.Tacey Panek, Levi Strauss & Co's historian, told Insider: "The oldest pair of waist overalls in the Levi Strauss & Co. Archives (from 1879) includes the watch pocket."Our 19th century overalls had a single back pocket on right side of the pant beneath the leather patch."They added: "To preserve the integrity of the early design, Levi Strauss & Co.