镇纸

镇纸	zhèn zhǐ	paperweight
镇	zhèn	to press down / to calm / to subdue / to suppress / to guard / garrison / small town / to cool or chill (food or drinks)
纸	zhǐ	variant of 纸
纸	zhǐ	paper (CL:张,沓) / classifier for documents, letters etc