Sneakers ER Eraser Block. Part of the Glasgow-based brand\'s extensive range of shoe care products, this handy eraser combines a natural caoutchouc rubber facing with a synthetic block that helps remove stains and restore the nap of your suede and nubuck shoes without any mess. Directions of use: Ensure surface is completely dry Rub crepe rubber side gently into scuff marks Roughen up suede fibres with synthetic side Brush suede in one direction for best results Block can be used whenever necessary