A practical handbook that catalogs a variety of hat shapes, offering clear visual descriptions and advice on how each should be worn. It matches individual styles to different face shapes and body types, explains positioning and effect, and notes age and size considerations. A technical section lays out the hat-making process, materials, and rules for preservation, while chapters describe the customs and regulations of journeymen hatters and other trade practices. The text is accompanied by engraved plates that illustrate the distinct forms and recommended wearing manners.