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Summary: In order to sharpen a knife with sandpaper, the first step is to clean the knife, and different grades of sandpaper can be used to hone the blade to a very fine point. Find out how to avoid damaging a knife blade when it's being sharpened with help from a home remodeling specialist in this free video on sharpening knives.
William Perkinson is a partner with Perkinson Building Corporation, based in Birmingham, Ala. He has over 20 years of experience specializing in remodeling, additions, and home repair....read more
"My name is William Perkinson and I am here to show you how to sharpen a knife using sand paper. Here's our knife. The first, first thing we're going to do is clean the knife, as usual. We want to get the, any residue that might be on there, from cutting paper or tape, skinning a deer, whatever you've done with your knife. And then we're going to use this sand paper. Now, if you plan on keeping this knife sharp yourself for many years to come, what you can do is take a block and cover it with different grades of sand paper, one heavy grade for a really dull knife. And then, keep moving it around and putting different grades of sand paper, to where you can hone it to a really fine point. Make sure you use the staple gun, because glue and tape are not going to work in the long haul. All right. We take our knife, we're just going to lay the sand paper on the table top today. It's easier and will work out better. We're going to hold it at an angle for us. And we're going to just move it along the sand paper, at a slight angle, like this. And we'll make sure we do both sides. And know the longer you do it, the more fine the point you're going to put on it. You're not going to tear up the knife. You can't damage it, but you also, you don't want to lay the knife down flat and drag it across, because you'll then, you'll just destroy the look of the blade. But, it's not going to tear up the knife. It's just an aesthetic thing. So, we'll run it. You want to make sure it gets all the way out to the tip, that your point is as sharp as the base of the knife. And, eventually, you're going to get better than a factory edge on that. And just with a little alcohol, I cleaned it off again, dried it, so that it doesn't rust. Now, that's a pretty sharp knife. My name's William Perkinson, and that's how to sharpen a knife using sand paper."
eHow Article: How to Sharpen a Knife With Sand Paper