Fumio Usui is Japan's top maker of prosthetic legs, and a key figure in the world of para sports. But Usui doesn't just cater to elite; he also crafts prosthetics to snugly fit the bodies, and lifestyles, of ordinary people. From limbs finely tuned to the needs of clients who want to play sports, to designs that enable their users to wear high heels with confidence, Usui has built his reputation on providing devices that turn amputees' hopes into reality.