What's the purpose of the tiny pocket that comes on the denim

What denim brands make the pockets on their jeans big enough to hold an iPhone? - Quora

Interesting Facts That Will Blow Away Your Mind - Corporate Review

What was purpose for denim jeans when they we're first invented? - Quora

Why do modern jeans still have pocket watch pockets? - Quora

Interesting Facts That Will Blow Away Your Mind - Corporate Review

Have you ever wondered what's so useful about these 'rivets' on blue jeans pockets? - Quora

What is the best thing to carry in the mini jeans pocket? - Quora

What is that small piece of cloth we see in pocket of men's coats? What is its usage? - Quora

In your pants/trousers/jeans where do you prefer to have your pockets? 1) Front? 2) Sides? 3) Or at the back? - Quora

What do you use the small pocket for in blue jeans rather than the original purpose which was to hold a watch? - Quora

Do you know why the back pockets on denim pants are usually small? - Quora