I used rain-x one time. it pretty much mess my visor up. it botched the film layer (?) up, making it spotted and couldn't see clearly. yours made not have such a film on it.
just tried the Cycle Gear LED Headlight. Dosen't work unless you want to modify several things. Great light though when hook up. The fan housing is to close to the bulb, thereby the retaining clip won't work unless it is modify somehow.Also the rubber boot doesn't work between the light and...