Explanatory notes
… they fall in Chapter 71 . The principal materials used for making buttons, studs, etc., are base metals, wood, corozo, … the textile in place. (2) Other parts of buttons, etc., identifiable as such (e.g., shanks, bases, heads). (3) … etc., worked (e.g., rounded or hollowed out on one or both sides or otherwise shaped, with rimmed edges, polished or …