en_captions: A man in is talking in a kitchen with a knife, a chopping board and bowl in front of him.  He lifts a sharpening stone from the yellow green bowl filled with water and talk about if for a while.  He lifts the knife and starts sharpening the knife with the stone and the talking continues.  He shows something and put between the stone and knife but put it away before sharpening the knife, he repeat the procedure before dipping the knife in water.  He repeat his way of sharpening  the knife with coin then dips it in water then sharpen it again.