| 摘要 |
A necklace is provided including an elongated flexible support member for encircling the neck of a wearer and the support member includes a predetermined portion thereof adapted to overlie the central chest portion of the wearer. The predetermined portion includes structure defining a journal and an axially short shank extends and is rotatably received through the journal and includes first and second ends which extend in forward and rearward directions, respectively, when the support member is being worn as a necklace. A gem stone is mounted on the first end of the shank member and the second shank member end includes radially outwardly extending lever structure supported therefrom for frictional engagement with underlying clothing or skin of the wearer and thereby is operative to effect angular displacement of the shank member and the gem stone relative to the journal responsive to lateral displacement of the journal relative to the underlying clothing or skin with which the lever structure is engaged. The lever structure comprises a disc substantially concentric with the shank member and the side of the disc remote from the gem stone is concave.
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