"An inventor of an electric tricycle headset, who used graphics software and 3D printing technology to develop the device, has applied the technology to wheelchairs to help people with spinal injuries. Hung Cheng-ching (洪正清), who has spinal cord injury, has invented an 11kg electric tricycle headset that can be attached to various types of wheelchairs to convert them into electrically powered chairs. The tricycle headset, called the “Sherpa bike,” won a gold medal at the International Exhibition of Inventions in Geneva in April last year and is now being sold on the market. Wheelchair users, with the help of the Sherpa bike headset, no longer need to worry that their vehicles might roll backward when going up a slope." - Jessie