Rubbing knife blades with ashy cork can make them shiny like new and enhance their sharpness.
When you rub your knife blades with an ashy cork that was previously set in water and fireplace ashes, the ashes act as an abrasive material that helps to polish the blades, making them shiny and appear like new. The abrasive nature of the ashes helps smoothen the blade's surface, removing small imperfections and enhancing the sharpness of the blade.
https://brainly.com/question/32167773