Pristine Edge Unorthodox Muff Methods Jun 2026

Lock the muffler in a padded vise. With the engine running (low idle), or using a rotary tool at 800 RPM, press the eraser block against the metal at a 15-degree angle. The rubber’s shear force lifts oxidation without abrasion. For the pristine edge of welded seams, use a pencil eraser in a drill chuck.