Hi..Matt here. Im a professional detailer. May I be of some assistance. Clay bars are quite important when it comes to detailing. Why?. Because its the second most vital and crucial step into paint care. Not only does it remove those harmful and damaging contaminants on the paint, but it creates a smooth as glass feel, AND it allows the wax and polish to do its job. It allows the polish to deepen the gloss of the paint, and it allows the wax to adhere to the surface by giving its most upholding protection to the elements. Ive found meguiars, mothers, detailers pro series, and blackfire detailing clays to be the best brands to use. If you need anything detaling related, please feel free to PM me. Ill be glad to help more as you ask questions. ThanksOk cool thanks. Never heard of them before a week or so ago. Still to cold here to do it. Is there a brand that's better to use??