I see a lot of people paint the inside of the helmet black. Is this something you must do or is it optional?
If it is optional, what are the pros and cons of doing it? I've seen that it can be harder to get things to stick to the inner helmet if you paint it, so what would be the benefit?
I'm sorry if this has been asked before, and I'm sure it has. I don't know if it's just they way the search function on the tapatalk app and the mobile site work, but it's very hard to find specific answers. Or maybe I'm using the wrong keywords.
Edit: I have found a thread that discusses the pros and cons, but not whether it is optional.
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