knife, Resident Evil 4 Remake, damaged, close-up, sharp edge, scratches, metal texture, worn handle, leather grip, restoration process, tools, whetstone, grinding, polishing, sharpening, before and after comparison, workbench, ambient lighting, detailed focus, high-resolution, realistic materials, 3/4 view, action of repairing, steady hands, protective gloves, workshop environment, DIY, survival gear, meticulous craftsmanship, steel restoration.