Seems like some kind of oily fog/spray could obscure things until someone took the time to physically clear it. More temporary, but perhaps easier to accomplish?
Edit: And this pisses me off that I have to think about such things.
Seems like some kind of oily fog/spray could obscure things until someone took the time to physically clear it. More temporary, but perhaps easier to accomplish?
Edit: And this pisses me off that I have to think about such things.