Spy Communication rules

[EricH]

Originally Posted by New Lightning

As our team was discussing the uses of having our human player being the spy we stumbled upon an idea that we wanted to get clarification on. We were thinking of making so gloves to be worn by our spy that have programmable LED strips on them with a few buttons to changed them from one color to another in order to give instructions based on the hand and the color shown. Is this even legal?

Did you see the part about non-powered devices in T26-1? There's also a Q&A indicating that a flashlight would be legal, provided it wasn't turned on (at which point, a baguette or leg of mutton would work as well).