The Snap-Together Robohand was 3D modeled and open sourced to give people a cheap and easy way to obtain a prosthetic. Normal prosthetics can cost in the tens of thoasands of dollars. Although the original Robohand can close its fingers, it doesn't allow the user to do much else besides picking larger objects up. That's why the DIY Prosthetic  In the DIY Prosthetic studio, we were given the Snap-Together Robohand as a model and were told to modify it into a hand with a specific use. The Baseball Prosthetic uses a claw like closing motion which is needed to shut the glove. Moving the wrist up and down will open and close the glove.