nasdamus

Hey Guys! I've been searching around but couldn't really find anything on Curb Rash or Scuffs. I have a decent amount here on my rims. I've attached a picture as an example. They are kinda cheap wheels so it really isn't to hard to make a scuff or mark. What's the best way to fix this or take care of it? Should i lightly sand them and then apply touch up paint? They're some fake gunmetal cobra r syle wheels.