some use simichrome I think it was and lots of rubbing. I use Blueaway and some rubbing and Bluejob both good prodects. The blueaway leaves tiny scratches not really noticable to me and better than the blue. Any good metal polish will do the job with some elbow grease.

I learned all I need to know about life by killing smart people and eating their brains.
Eat right ,Exercise ,Stay fit, Die Anyway!