I broke out my Peters Brothers hemp straw Indy hats today & it was a little wonky form storage so I went to the hardware store & I bought a 1/2 pint of clear shellac & som denatured alcohol as well as a small spray bottle. I mixed up 8 ounces of shellac to 4 ounces of alcohol & it seems to have done the trick of stiffening it up. even thought the liquid is a tan colour, does anyone know if I can use this on felt & other straw hats? Thanx!!! Charlie P.S.- I read about doing this online.