2. Wipe the soles with potatoes. Because raw potatoes are rich in starch, they can be used to rub soles and achieve ideal results.
3. Sticking tape method, the principle is similar to the first method, especially in rainy days, sticking tape on the sole has a good anti-skid effect.
4, the last one is the bottom of the knife, which is not recommended. It hurts shoes too much unless the technology is particularly good.