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This is can be replaced by written change the font of the pen, its shape change the font of the pen, its shape is strange,a bit like a Chinese writing brush, its use is very simple, if you want to use ,then you only need to find you need the pen , the pen is a similar to cigarette like hygroscopicity good fibrous material special absorbing ink by eriting to add special inkcan cycle use.
Nan Chang University
Nan Chang, China