What about grinding feet on both sides of sports shoes?

If the newly bought outdoor sports shoes only grind their feet at the edge, I suggest you cover them with a wet towel for a few minutes to make them moist and soft, and then press them with a cylindrical object several times to make the ground part smooth and flat, so that you won't grind your feet again. . Hammer method: if it is a sports sole to grind feet, you can put it on a shoe crutch, hit it hard with a hammer, and smooth the ground feet, so that you won't grind your feet again. If you don't have crutches, you can use other iron tools instead. .

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