r/GasolinePoweredTrees • u/TeslaBrandedTrees • Apr 30 '20
This is Chindōgu, a Japanese tradition and art where Japanese inventors create the most useless products they cant think off and show it off to the public. This invention lets you see behind you and way in front of you (no normal view though) Wiki: https://en.wikipedia.org/wiki/Chind%C5%8Dgu
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