| 摘要 |
The device has a plate (1) fixed at a sphere (2) engaged in a cabochon (3), where the cabochon is opened by a slit (4) and welded with a support (5). The cabochon receives the plate, where the plate is inserted into the cabochon by grip or force of fingers of a user. The plate is made of hard plastic or silicone. The cabochon presents an opening on a half part to allow the movement of the plate. |
