5. Pants having creases in them.
We have to take you back in time to the 19th century for this one. Back then clothing had to be shipped in those large shipping containers. Because of this reason the clothing manufacturer had to find ways to get the pants to the consumers without having a million wrinkles in them.
That’s when they started to fold them nice and neat. Since then most pants have some kind of folding and crease in them.