Definitions for "Keyguard"
A cover, usually made of plastic or plexiglass, which fits directly over the computer's keyboard. Holes in the cover correspond to each key on the keyboard and guide a finger, headstick or mouthstick to facilitate direct key presses. Locking devices which allow keys to operate similarly to a caps lock key are available for keys frequently used in multiple key sequences, such as the shift key, function or command keys.
Prevents accidental dialling when activated.
a device that fits over a standard computer keyboard for users with various mobility impairments that would make keyboard use otherwise inaccessible
Keywords:  poor, adaptation, motor, motion, fine
a great adaptation for someone who has good range of motion, but poor fine motor control