Sun Jifa lost both hands in a terrible fishing accident at the age of 27 and soon realised that he couldn’t afford prosthetic limbs so decided to build his own.
The 66-year-old farmer from Guanmashan, China started experimenting with prototypes for eight years until he finally developed a working model to help him with his daily life to grip and hold things. The movements are controlled from his elbows through a system of pulleys and wires.
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The handmade iron forearms allow disabled people to use a phone, play chess, saw timber, ride a bicycle and even drive tractors. Jifa has designed, produced and adjusted 5 generations of the steel prosthetics for almost 40 years and has made them accessible to all.
He has so far helped 1,000 people with his functional and lasting bionic hands that he sells through an online store and makes at home. The arms weigh around 750 grams and cost 4,000 to 6,000 yuan ($580 to $870), which is just one-fourth of the price for similar models on the market.