Whereez - Make your own hat: Hat Workshop - Group activity
Making your own hats: Step-by-step guide to craft basic to creative hat sewing patterns, plus practical tips and construction techniques (black & white interior): Design, MsKapolo: 9798547186349: Amazon.com: Books
Make Your Own Caps and Hats 1 Day Sewing Class – Bobbin and Ink
Paper Hat | Paper Cap | How To Make Paper Hat | How To Make Paper Cap | DIY Hat - YouTube