Chuck, at the risk of being seen as picky and/or being flamed; this-does-not-work.
1) They are polished. Style stuff of the 60's and 70's man
2) Distracting. They will reflect anything. Avoid colorful xmas tree in car
3) Dunno about 3) but sure can make up more reasons to prove my point.
Google "etching metal". There are many ways you can do this at home with excellent documented results. Techniques for brushing metals are also archived on the Internet everywhere.
Fun project for the weekend. To be fixed
