@board 逛amazon发现了这个东西，大家来猜猜是干什么的……（明天公布谜底，本来就知道的请不要剧透谢谢）#你猜
@daoluan @board 越看越觉得是厕纸……还有一个黑色的线，感觉是方便手指抓拿……
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