[PTRobert]

Yeah - I attempted the touch ups back more than a year ago, when living in Southern California. We lived near a rock crushing/ concrete plant and their trucks were forever dropping bits of crushed rock on the roads, which would be flipped up on my car from other drivers, or by the trucks themselves - those trucks have good range of up to 100 feet [}]. Unfortunately the freeways and roadways near our home all ran past the plant and there was no feasible way around the debris (which also littered the freeways due to these guys hauling crushed rock to new construction sites). (On the other hand, who knows how many cars I chipped by flipping up bits of stone from my tires???)

Anyway, I hastily touched up some of the spots just to prevent rust, because the stones took good-sized bits of paint off the car and in some places, down to the metal.

I have used the Langka product and I found it to be worthless... I'd wait an hour and try to clean off the excess and invariably would clean the paint right out of the chip. I was thinking I needed to sand down the high spots and make them level with the rest of the paint, which is why I asked about sandpaper.

I have polished 95% of the swirl marks out of the paint and use a clay-bar and polish regularly (though it's not yet been sealed and I know the polish lasts for 30 days or less). I have not used a buffer; I polish it all by hand.

Thanks.