I learned, for example, how a diadem, brooch, or bracelet could be invisibly hinged so as to be completely flexible in all directions, not a rigid little beast of unyielding metal and stone, but supple, tender toward the body, changeable in mood.
A brooch can be made with an invisible hinge.
mnli hypothesis: A brooch can be made with an invisible hinge. premise: I learned, for example, how a diadem, brooch, or bracelet could be invisibly hinged so as to be completely flexible in all directions, not a rigid little beast of unyielding metal and stone, but supple, tender toward the body, changeable in mood.