Bidspirit auction | 2 Straw Cowboy Hats Golden

2 Straw Cowboy Hats Golden Gate Hat Co - and Pacific Panama. To clean the hats Drip a little bit of hydrogen peroxide onto the yellow stains in the brim of the hat. ... Scrub the area with a clean toothbrush to allow the hydrogen peroxide to work into the fabric. Allow the hydrogen peroxide to soak into the hat for about 10 minutes.