what is the reason for tying a scarf around your purse?

i think scarfs on bags are really cute...kinda the same mindset as rolling the legs of skinny jeans into a deep roll (i.e., 7-8 inches)...doing something a little charming and eclectic and edgy.

Funny story, I aw a woman with that beautiful big Gucci bag which comes with the maroon, gold, and another color, printed scarf already woven through on the top of the bag. But I looked at her bag and the scarf was completely different from the one the bag comes with. i said to her "Beautiful bag, but I've never seen that scarf in it before!" She smiled and said "That's because I put a Hermes scarf in it!!!" LOL