| 摘要 |
PURPOSE: A device for enhancing grip is provided to allow a user to make fist and to spread hands. CONSTITUTION: A device for enhancing grip includes a main body (10) and a handle (12) installed in the main body. When a user applies pressure to the handle, a force is applied in the opposite direction by the principle of a dual lever (11). A strong hand is shrunken and a weak hand is opened. |
