Automatic Gravitational Door Closer

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Homemade DIY projects, innovative life hacks and cool science experiments, I try to do them all o...

Are you someone in whose room people frequently move in and out of, like in a hostel? And you are lazy enough to not get up to close the door, then this one is for you!

In this video, I will be giving you step by step instructions to make a very easy automatic door closer on your own.

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