Today, I cleaned my wife's car. It had very dirty rims. Greg thinks that the wheel spinners are not adjusted correctly. Which makes sense because of the pattern on the rims. Even though the rims are not fully clean the wheel spinners must not be hitting the full rim.
Sonny's wheel spinners
Left is driver side and right is passenger side
Left image rear tire , right image front tire.
Left image rear tire, right image front tire.