我的两种最快最好最简易的方法找到胶带卷的末端

我的两种最快最好最简易的方法找到胶带卷的末端

Instead of wasting time searching for the tape end, simply try my two hacks. I know you already know some tricks, but among 5 different hacks shown in this video I will show you why my two tricks are better than any previous traditional methods.

more details or full transcript can be found here

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[佛心]

建议字幕中文，如果你解说英文的话。