Question why do most of you use compound you dont have to use a compound to remove swirl marks. Every time you use a compound you remove a little clear coat and on most cars your clear coat is very thin. Check these videos out it will help save your paint. I hope these help you.
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Mel Meguires compound is very very tame. They have to make it pretty much fool proof for the average person therefore it is not aggressive at all. I have stuff at my shop if you use more than a couple times in an area you will be burning through to give you an idea.

 

I would only use a compound as a last resort.

 

That's what I do. No need to go overboard but most try to do it by hand or orbital I use an actual buffer and it's a different ballgame.