Question

how can we increase friction of soles of shoes​

Answer 1

Answer:

it provides grip to us.....because of its rough surface..

Answer 2

Answer:

Scuffing The Soles

One of the easiest, do-it-yourself ways to make your shoes slip-resistant is to scuff the soles with sandpaper, a nail file, or something else with a rough surface, such as brick, gravel or rock. Simply rub the rough item on the sole of your shoe until small grooves appear.

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