忘记口罩或没有口罩，怎么办？简易门前10秒钟自制口罩，不用剪刀高质

来源: 于 2020-05-23 17:51:35 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

忘记口罩或没有口罩，怎么办？简易门前10秒钟自制口罩，不用剪刀高质量。

A long sleeve shirt is pretty easy, but what if you only have a T-shirt? Worse, even if you don't have a T-shirt, I will show you how to use any fabric you have with you.

more details can be found here

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