When I was a child, I find tying a shoelace was the most complicated thing. Now, when I’m young, it’s very easy to tie a shoelace. But now, just like others, I’ve also had one question in mind, “Why there is an extra shoelace hole in our sports shoes”?
To be honest, I’ve never known this until now. This extra shoelace hole is for one very specific reason. Watch the video below and enhance your intelligence.
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