| 摘要 |
A device for assisting a wearer of the device to maintain correct posture or avoid the effects of drowsiness. The device comprises a tubular member which may be attached to an article of clothing or the body of a wearer, and the tubular member houses a ball, or a hammer, which impacts the wall of the tubular member so as to emit an audible sound or ping whenever the device is tilted from is initial position, to thereby warn the wearer of the tilted condition and so that corrective action can be taken. |
