Most people have a pair or two folded up in their wardrobes - but have never wondered why they're covered in tiny bits of metal. When you look at your favourite pair of jeans, you will notice there are small studs stitched into them, covering most of the seams.
However, these studs, otherwise known as rivets, were not added for decorative purposes, they serve a much more important job than that. Wondering why they're on almost every pair of jeans, one Reddit user said: "These are on all jeans. Do they serve a purpose, practical or otherwise? If not, why are they there?"
