摘要 |
<p>The device (1) has a U-shaped profile (2) provided with a thumb supporting ring (3) and an index finger supporting ring (4a). A middle finger supporting ring (4b), a ring finger supporting ring (4c) and a small finger supporting ring (4d) are arranged at the index finger supporting ring. The rings are distantly fastened perpendicular to the profile that is made of a flexible material i.e. rubber. The profile is provided with cuts (6a, 6b). Width and thickness of the profile are 3 cm and 0.3 cm, respectively. The rings are arranged together in series and formed in an oval shape.</p> |