| 摘要 |
<p>A suitable mechanically or electronically operated device as used in a toy or a computer is accommodated in a space between the sole of the shoe and the lining. The device can generate a sound activating the blood circulation or relaxing a cramped muscle area. The sound can also be related to situations in human life like human voices, animal sounds, the murmur of a river, or the rustle of leaves and used for entertainment and fun.</p> |
