sentence: A person's hands are seen sharpening a knife over a counter and the intro says "Kitchen Tricks Sharpening Knives". sentence:  Then there is a tools needed list on the screen and a bowl, sharpener, and other tools are seen on the counter. sentence:  Giving the instructions and explanation on the screen along the way, the person wets the stones in water, then sharpens a knife on a sharpening stone and then on a knife sharpening tool. sentence:  Then they show how to use the bottom of a bowl to sharpen, afterwards cutting a tomato and at the end a website address is shown.