| 摘要 |
<p>The strip is folded along a vertical central line (a) in a first step. A ring is formed by fastening the second line (c), located close to one end (b), to the opposite end (b), then folding the remaining segment (d) around the second line (c) in order to form a flap (d) protruding from the ring. Two u-shaped zones (e) at the lower edge of the outer ends (b) are partly cut and bent for being used as finger insertion areas.</p> |
