Explanatory notes
… etc. It should be noted that labels of the kind used for attaching to the inside crown of the hat, etc., are not … of stiffened fabric (e.g., buckram), of paperboard, papier maché, cork, pith, metal, etc. (5) Hat frames , e.g., wire … piece (crown) of any kind, otherwise they are classified according to their constituent material. (7) Chinstraps ; …