The 'kamelafkion', as the name implies is made of camel hair - sturdy and shape-able. The bishop's crown used to be made similarly from other animal hair, although more recently it is made of other sturdy fabric. (Until about 10 years ago, stiffening-agent material available in fabric emporia was still made of horse hair, stiffened with starch. It's been replaced with fabric that is now infused with plastics. I forget the name of the 'old' material, it may have been called "buckram", but I'm not sure - encroaching senility.) The panels are then covered in velvet or brocaded material, and icons and other decorative pipings are added.
Your homework assignment for the upcoming weekend is to create....
Dr John