High Quality Content by WIKIPEDIA articles! StickyKeys is an accessibility feature to help computer users who have physical disabilities, but it is also used by others as a means to reduce RSI (or a syndrome called the Emacs Pinky). It essentially serializes keystrokes instead of pressing multiple keys at a time: StickyKeys allows the user to press and release a modifier key, such as Shift, Ctrl, Alt, or the Windows key, and have it remain active until any other key is pressed.