它是一支长的铅笔。
把身份证想象成一个动物的身体，铅笔是它的长脖子，橡皮擦是它的头。
Imagine the ID card as the body of an animal, the pencil its long neck, and the eraser its head.
用个长的东西(我用的是筷子，不过铅笔头甚至剪子也都行)，深入里面，将接缝边缘推的光滑美观。
Take something long (I used a chopstick, but the end of a pencil or even a pair of scissors will also work well), slip it inside, and nudge the seam into a nice smooth edge.
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