Scratchshield device for your wash bucket [ black item shown in the picture above ]
Fits inside most buckets, including Kleers large wash buckets
Sits on the bottom [ inside ] of your bucket to ensure grit and dirt lay underneath it when filled with water/shampoo. It prevents these such items from being soaked into your wash mitt or sponge which could scratch your paint work.
Quick assembly, can also be cut down to fit smaller bucket types
Simple and very effective