The narrator is explaining the process, as a knife is being sharpened with a sharpening tool.
A man demonstrating how to use a knife sharpener as he sharpens a knife.
A person talks and uses a knife and sharpener as he tries to make the edge sharper.
A man uses a clamp and blade to sharpen an object while he explains what to do
A skewer is being sharpened with a hand held notched sharpener.
A man demonstrating how to use a knife sharpener to sharpen a knife
A man is sharpening something with a clamp and blade.
A clamp that is holding a knife as a man demonstrates how to sharpen it with a sharpening device.
A man has a knife and is sharpening it with a small sharpener.
A man is demonstrating how to sharpen knifes.