挂笔就是在笔头或者在笔盖上有绳子或者环的一种笔，可以挂在脖子上或者墙上等其它上面，方便外出携带或者放置。 挂笔
由于采用上述结构，所以在中性笔在挂笔时，笔尖始终向下，能防止中性笔芯墨溢出。
By using the structure, the pen point points downward all the time when the gel ink pen is hung, thereby preventing the ink in the gel ink pen from flowing out.
一类是实用型的，如笔筒、笔挂、手杖、枕头、花架等；
One is practical, such as pen, pen hanging, cane, pillows, flower racks, etc.
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