Muse is both a common term for a handheld Cognet linking device, and also a specific brand of said CogLink device. Functionally the Cosmic Era version of a smartphone
A horrific device only employed by the most black hearted of magic users.
More colloquially known as the avatar, muse, or handle.
When this is used, the user is full of static electricity, which will discharge itself onto the next living thing that he or she touches, causing minor to moderate injury.