 |  |
| 1. Grab 1/3 point of product with both
hands. |
2. Like rolling up the round bar, draw
a circle. |
 |  |
| 3. Overlap other
parts |
4. Completion
|
 |  |
| 1. Grab 1/3 point of the product with
both hands |
2. Like grabbing the roundbar, grab a
circle |
 |  |
| 3. Make another circle above the small
circle |
4. Make a cicle again after making the
circle |
 |  |
| 5. 4-times circle
making |
6. Completion of circle
making |
 |  |
| 7. Overlap a dangle part round a
circle |
8. Completion
|
| Patent reg. no. 0320799,
0297334
Utility model reg. no. 0244335 Model reg. no. 0288456, 0288457, 0298937, 0298936 2001 Awarded the bronze medal in Patent Technology Competiton 2002 Awarded the gold medal in International patent fair |
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