AD Hard Bristle BrushSole Cleaning Hard Bristle Brush for a deeper sole clean SHOE SOLE (): The lower bottom part of your sneakers mostly natural rubber or polyurethane. This brush will give you a deeper clean for your sole. The AD Medium Bristle Brush is made from hand crafted natural wood handle. Handcrafted Beech wood handle. Engraved AD logo on handle For use on Soles only 1. First Dry brush shoe removing excess dirt 2. Apply Half a cup of water in a bowl add 2 to 3