Tana Cleaner Suede and Nubuck Brush Tana Cleaner lifts the nap and enhances surface appearance of suede and nubuck. The welt surface is for stronger cleaning on heavier scuff marks and stains. The nylon bristles are for a lighter gentler cleaning on light scuff marks. Arched half circle brush allows for easier cleaning on rounded corners. Thin protruding brush allows cleaning on harder to reach crevices and grooves.