Cowboy Hat

Can I form a felt cowboy hat by heating

Put the kettle on and when the steam leaves the nozzle, hold the hat area that needs overhauled steam for a few seconds. If you are in shape before, after having steamed, hold it with both hands with the front facing you and use your chin to pull it down. Hold for a few seconds while the cap cools. You may repeat this process once or twice to get it if you want. You can shape your back, pulling a bit on the edges, since normally the back "dip" is not as low as the front. You can shape the crown into steam then using his fingers to fold. You must be good to go.

No heat, but steam.

Yes, you can get Ahold of those things steam, the best would be ... or perhaps taking on water boiling ...

Put it on a pad, steam it and give it shape. We used to do with school uniform hats in the 1960s