Fringeworthy is a term used to describe people who are able to activate and use Terhmelern technology. This is also abreviated "FW"

For reasons that are currently unknown, about 1 in 100,000 individuals has a quality that the Fringepath System recognizes. these people can enter the Rings and travel the Fringepath system.

On Node 0 Earth, Military people are being screened for this quality, by having them hold the one known crystal key to see if they make it glow. If it glows when it touches them, they're FW and recruited by the Hatsumi Project Soon to be Idet