Why do jeans have that tiny, pointless pocket?

Do all raws have tiny useless pockets? : r/rawdenim

Historian Explains Why Our Jeans Have Tiny Pockets

Why do jeans have that tiny, pointless pocket?

What did you think the mini-pocket in your jeans were for? - Times

Designer Explains Why Women's Jeans Have Small Pockets

So THAT'S Why There's A Tiny Pocket In Your Jeans

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

Why do our jeans have a tiny pocket just above the front pocket

Why Don't Women's Clothes Have More Pockets? - The New York Times

No.9608 loose pocket keyring JEANS