It may be positioned just below the collar seam.
It can be quite small—sometimes only a few centimeters wide.
At first glance, it looks almost unnecessary.
It doesn’t hold a button.
It doesn’t close the shirt.
It doesn’t appear to strengthen a seam.
It isn’t normally used when the shirt is being worn.
So why did manufacturers bother sewing it onto the shirt?
The answer is simple:
The loop was designed as a hanging device.
Instead of placing the entire shirt on a conventional clothes hanger, the wearer could hang
