ideasofjugaad:

“For a poor farmer like me a bicycle is more affordable than a pair of bullocks. After a lot of trial and error,

“I designed the implement out of the front axle, wheel and handlebar of a standard bicycle to conduct operations normally carried out by bullocks or tractors,” he explains.

http://www.thehindu.com/sci-tech/bicycle-inspired-plougher-and-weeder-gains-popularity/article414019.ece