In an era of smart technology and high-tech fabrics, it is a curious irony that a simple, curved implement from the 15th century recently managed to leave the internet in a state of collective bewilderment. The object in question, which sparked a viral wave of speculation, is none other than the shoehorn—a tool so ubiquitous that it has faded into the background of modern life, yet remains one of the most effective inventions in the history of footwear. Far from being a mere relic, the shoehorn is a masterpiece of functional design. To understand why this humble tool has endured...
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