Clay bars have become an essential tool in the arsenal of automotive enthusiasts and professional detailers alike. Designed ...

With that done, you'll want to start with a dry car. Now, most clay bar kits, like Meguiar's Smooth Surface Clay Kit, come with a lubricant (a quick detailer in this case). Lubrication is important ...

Clay bars are the conventional way of doing this ... so we tested each of the products on three parts of a car. We used a side window, which had been lightly dusted with primer to simulate ...

it was narrowly beaten on our car bonnet. It was still very effective, but Pure Definition had a slight edge. Auto-clay retained its water lubricant, though, which helped tip the balance. The bar ...