Small pocket of your jeans...

Did you know that What is the purpose of the small pocket on your jeans ?

    This is the most common things that you probably don't know what it is. Most people think this pocket of jeans is for decoration.

this little pocket actually serves a purpose few years ago. the first time this pocket is seen  was on Vintage Levi's jeans in 1873. 
   Back than pocket watches are very popular
and cowboys used to wear their watches on chains and kept them in their waistcoats. to keep them from getting broken, the small pocket was designed to hold the watch.