Never heard of them, however I have had smashed front len's on my beemer twice. Due to KTM riders been twats on rideouts with gravel on the road. One may be on this forum. Puig headlight guard is also available though for over 100notes.
Please share how they look & are fitter john, I've bookmarked this for gander in the future. My name is Patrick....
But if it damages the original headlight plastic, say when you try to remove it, then you're worse off than never having put it on. The multi headlight is at pretty low risk of getting damaged. What's at risk is radiator and fork legs (inside and back) from stones.