Geng Shuai (Chinese: 耿帥), dubbed the China's Useless Edison, is a Chinese village craftsman.
He has more than 2.7 million followers on the Chinese short video app Kuaishou and almost a million followers on Weibo.
[1][2][3][4][5] Notable videos include 'a treadmill enclosed in a cage', that would open only when a selected amount of time had passed by.
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