aging

I am looking to age felt cowboy hats. Dust, sweat stains, etc. I am looking for the trail worn look. I have been searching the net with little or no success. Anyone have experience in that sort of thing?

Hi all, I've found tidbits on various posts about ways to distress patches but nothing fully descriptive. A user called NOSTROMO did a great job distressing this patch for a Brett costume he posted about back in 2015, but did not outline his process. Could any of you weigh in on your...