Strange Shoe Material: Shoelaces Can Be Ignited At Any Time.

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The most commonly used methods of ignition are lighters, waterproof matches or magnesium rods. Of course, you can also learn how ancient people used "drilling wood to make fire".

But if you have such a pair of "

"Shoes, you may not have to worry about the loss of lighter, matches and water, because the shoelaces of these shoes can help you ignition at any time.

The shoelace of "Flint" shoes looks exactly the same as our ordinary shoelaces, and it also ensures the stability of shoes.

The difference is that the metal part of the "Flint" shoelace can be used for ignition.

With only one metal knife, the shoelace will be on fire, just like matches, and it can be used repeatedly and waterproof.

This ingenious design does enable us to respond in exceptional circumstances.

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