Naked Prosthetics creates custom-fitted hand and finger prostheses that allow an impressive range of fine motor skills to be done by the wearer, like holding and striking a match or unscrewing a tiny cap.
Matt Finney lost parts of two fingers and his thumb from gangrene stemming from a blood clot. It's cool to hear him talk about how this changed his life. Here's some of the many other demonstrations on their channel:
https://www.youtube.com/watch?v=xu1s2EW26E0
• Naked Prosthetics Matt Finney (YouTube / Naked Prosthetics)