A welder in northern China’s Hebei province has gone viral for his “useless” inventions, such as a rotating umbrella can keep you dry, a meat-cleaver phone case and a watermelon juice holder.

中国北方河北省的一名电焊工因其“无用的”发明而风靡一时,例如一把会旋转的雨伞可以使您保持干燥,切肉刀样式的手机壳和一个西瓜汁架。