Polishing sucks, but who knew un-polishing sucked too??
I started with what's on the right, and there were some deep scrapes, scratches, and nicks. I tried 400 grit at first, but wound up using 320 to get at the deeper stuff. This is not fun work, and my fingers hurt. I got pretty far on one leg in an hour. I think I'll have three or four hours into them before I'm satisfied.
Deeper than they look, these were some of the worst. The spot before:
After:
Left leg is about two thirds done.
Tubes are the next scheduled purchase. It will be satisfying to put the finished legs together.