Most people don't know there's a difference... and using the wrong one could damage your paint or leave contamination behind. Here's the breakdown: 🆕 **New cars (up to 3000 miles): Clay cloth** ✅ Light contamination only ✅ Faster & safer on fresh paint ✅ Reusable & less aggressive 🚗 **Older cars (3 years): Traditional clay bar** ✅ Heavy contamination (tar, fallout, overspray) ✅ More aggressive decontamination ✅ Gets deeper into the paint This Porsche 911 got the clay cloth treatment – fresh pa