That's the great thing about the Twiddler. With the right chord setup you can get crazy fast. My professor has used his wearable system for a long time and he c

That's the great thing about the Twiddler. With the right chord setup you can get crazy fast. My professor has used his wearable system for a long time and he can burst to 120wpm. Ref [1] shows info on how blind typing affects speed and accuracy on the two thumb qwerty keyboards.