There will be a drawer that extends into the mechanism under the abrasives. Any detritus from the sharpening process drops into this drawer. Exactly where the drawer is located will differ from sharpener to sharpener but it shouldn’t be hard to find. Remove the drawer flick any material into the wastebasket and then wipe out the drawer with a damp cloth or tissue. You may want to use work gloves and goggles to protect your hands and eyes from any loose metal shavings. Once the drawer is clean and dry replace it. The exact means by which the sharpening mechanism itself is cleaned will vary from manufacturer to manufacturer. Consult your owners guide for specific details. Make sure you don’t introduce any grease or other lubricants into the sharpener unless specifically directed to do so by the owner’s manual. Also, the outside of the sharpener should come perfectly clean with just a damp cloth. Avoid using commercial cleaners or abrasives of any kind.
This pocket-sized tool sharpens knives using carbide sharpening blades, then gives the knife a smooth finish using ceramic blades. A diamond rod is used for honing knives or for sharpening serrated knives. This is a great tool to keep in the toolkit, the tackle box, or to carry along when camping. Since it’s small, your hands will be close to your sharp knife blades as you work, so you might want to save it for occasional use rather than for sharpening all of your kitchen knives on a regular basis.
After sharpening properly with a medium grit stone, your knife will be very sharp! If you want an extra sharp razor edge, we recommend finishing with a higher grit stone. The sharpening process is the same, but the stone will remove much less steel, and form a less noticeable burr. Be sure to clean your knife and stone thoroughly after using to wash away all the steel you removed from the blade. Lastly, be sure to let your stones dry completely after use before storage.
The following are my personal favourites and they are all synthetic stones, I do have experience with natural what stones but lets keep it simple, lets stick to synthetic water stones. Believe me, some of the world sharpest knives are sharpened solely on synthetic stones. Here are my personal favourites, I use these water stones every day and the order is not necessarily in priority, they are all good.
If I am to be completely honest, I must tell you that I actually came extremely close to selecting another manual sharpener for this position. I thought it looked wonderful. It had all the specifications I would hope for in a manual knife sharpener and then some. It boasted the ability to sharpen at two different angles (15 degrees and 20 degrees) and included a honing feature. It looked solidly built. It used diamonds to grind the blades down. It sounded perfect and I almost selected it, until I read the consumer reviews. The consumer reviews for that apparently perfect manual knife sharpener were abysmal.

But it's a different type of sharp, according to Joe Authbert, product development manager at ProCook. "What it does is add tiny little micro-serrations onto the edge of the blade." But fear not - your smart knife won't end up looking like a bread knife, as you'll be hard-pressed to spot the serrations. "If you looked at it under a microscope, on the cutting edge, there are these little lines that generate the sharpness, rather than a waterstone which is a smooth sharp edge," says Authbert. 
A diamond plate is a steel plate, sometimes mounted on a plastic or resin base, coated with diamond grit, an abrasive that will grind metal. When they are mounted they are sometimes known as diamond stones.[12] The plate may have a series of holes cut in it that capture the swarf cast off as grinding takes place, and cuts costs by reducing the amount of abrasive surface area on each plate. Diamond plates can serve many purposes including sharpening steel tools, and for maintaining the flatness of man-made waterstones, which can become grooved or hollowed in use. Truing (flattening a stone whose shape has been changed as it wears away) is widely considered essential to the sharpening process but some hand sharpening techniques utilise the high points of a non-true stone. As the only part of a diamond plate to wear away is a very thin coating of grit and adhesive, and in a good diamond plate this wear is minimal due to diamond's hardness, a diamond plate retains its flatness. Rubbing the diamond plate on a whetstone to true (flatten) the whetstone is a modern alternative to more traditional truing methods.[13]
Sugimoto Hamono Western kitchen knives are made from carbon steel or special alloy steel. Although carbon steel knives cut well and are easy to sharpen, they rust easily. Carbon steel knives are also discolored by some foods, but this is not a problem with special alloy steel knives. The Western-style kitchen knife is often referred to as a “general-purpose knife” and is widely used.
Begin by sharpening the knife from the front side. Sharpening is completed when the knife has an even burr. Only use a flat-surfaced stone to finish the back surface of the blade. Sharpen the blade from the edge to the spine. Do not sharpen at too great an angle between the blade and the stone. The stone used to finish the cutting edge of the blade should contact the edge evenly.
If you’re a serious home chef, we recommend the Chef’sChoice Trizor XV Sharpener. (And we’re not alone: It’s the top pick for Cook’s Illustrated as well.) This model is much more expensive than our top pick, but it produces a professional-quality, polished and honed edge, as opposed to the ProntoPro 4643’s “toothy” edge. “Polished and honed” means it’s inherently sharp: The Trizor XV brings the metal of the blade to an infinitesimally fine point rather than to the relatively coarse edge that our main pick produces. That means you can chop straight down through, say, onions and carrots rather than stroking through them as with a saw. And that makes for faster, more efficient knife work—as long as you possess the knife skills to take advantage. But the Trizor XV is a bit bulky (about the size of a loaf of homemade bread) and heavy, so you’ll need to find space for it under your countertop.

You've acquired a good chef's knife, you're using it almost daily to make tasty dinners for the family, and it's stored in a nice knife rack or a magnet for safekeeping. So why stop there? Keeping that knife's edge fine will make cooking not only safer but, let's face it, much more fun. Whether you've spent £150 on a high-end knife or under a tenner on a dinky paring knife, keeping it sharp is crucial. 

This knife sharpener features precision-ground tungsten-carbide sharpener on bars which can automatically adjust to provide different blade angles. And just by changing hand positions, you can easily fine-sharp or hone the knife as often as you like. With regular honing, you will maintain a sharp edge without removing metal and extending the lifetime of the blade.
Works well. Just got it today, sharpened two pocket knives, one a 8Cr13MoV Chinese steel, the other s30v American steel The stone made short work of both steels (which were pretty sharp already). But notably was able to make the s30v hair shaving sharp easily, something I've had trouble with. Inexpensive and useful, I love this stone. It's not the Ninja sharp 8000+ grits that you can find, but for pocket knives and EDC, it's perfect and inexpensive. Get One!!!!!!!!!!!!
Every few months, you'll notice that your chef's knife has a harder time yielding perfectly thin slices and precise dices. You might even find your knifework is slipping—literally. And aside from being annoying to cut with, a dull knife can be seriously dangerous. To keep your fingers (and your dinner) in good shape, you'll want to learn how sharpen a kitchen knife by using a whetstone or a sharpener, and maintain that edge by honing it with a steel rod.
A: That depends almost entirely on how often you use them. If you are a professional chef who uses his or her knives every day then you should hone them every time you use your knives. But honing has its limits and over time your edge is going to become dull no matter what. Therefore your knives will need to be sharpened at least several times a year. Some chefs, in fact, will use a whetstone on an almost daily basis in order to ensure their knives are always razor sharp. Most of us, however, are not professional chefs and may not even touch our kitchen knives for days at a time. In that case, it’s probably a good idea to hone the edge after every couple of uses and have your knives sharpened once a year.
You can actually use these stones as finishing stones in their own right however and perhaps for Western knives which typically have a cutting edge similar to a ‘U’ rather than a ‘V’ shaped edge, a #5000 grit stone may well be as far as you need to go.but if you want to go for the #6000 or #8000 super fine stones then go for it! The only bit of advice you should follow is this: If you are using your knife to cut meat, then you can happily stop at #4000 or #6000 grit. If you are only using it for vegetables or fruit go all the way to the #8000. This is because the refinement you get from a # 8000 grit stone is such that your knife edge has the potential to bend whilst cutting through muscle and sinew.So that’s Whetstone grits explained. Hopefully that gives you everything you need to know. We have a selection of whetstones on our website, spanning the whole grit range. Stones require patience to learn and skill to use, but with a little practice you will get there and it will be well worth it.
A hybrid manual-electric sharpener, the Chef’sChoice Hybrid 210 uses a motor and abrasive wheels to grind the new edge and employs a manual stage to hone it. This sharpener is eminently affordable. However, our top pick, the ProntoPro 4643 multi-blade-angle manual model (as well as its $30 to $40 single-blade-angle kin) produces a better edge and doesn’t make us worry about breakdowns the way the Hybrid 210’s lightweight motor does.
To take off the fine scratches and burrs left by coarser stones, and to polish the surface, you can use stones starting at around 2000 grit. There is theoretically no upper limit, but stones above about 10000 grit achieve practically no measurable improvement in the edge. It is also interesting to note that above 8000 grit, there is no Japanese measurement standard. For stones labelled as having a finer grit, you simply have to take the manufacturer's word for it.
For someone who sharpens blades only occasionally, and knows that they will not need to grind out a chip in the edge of the blade, for instance, a combination stone will suffice. The size that one chooses depends mostly on a trade off between cost and speed. The bigger the stone, the faster one can work. The smaller stones work just as well, they just take a little more time.
The sharpener has come a long way in the past couple of thousand years and yet it hasn’t. That is, while there have been incredible advances in the development of mechanical knife sharpeners the classic and very ancient sharpening stone is still with us and very much in use as you read this. The best knife sharpener for you will be one that meets the needs of your cuisine and your temperament but which, first and foremost, reliably produces the sharp knives (look after your knife!) you need with the least hassle.
Manual sharpeners are, in my opinion, the best way to sharpen your knives. They are my personal favorite, because they allow you to sharpen your blades with precision. Unlike electric sharpeners which can take off layers of steel so quickly you barely see it happen, you maintain control over the sharpening process with a manual sharpener. You can put one pass through, then check your edge. You can do another pass or two, then check it again.
Our favorite way to sharpen a blade is to use a whetstone—a rectangular block that works almost like sandpaper, helping to straighten and refine the cutting edge on the blade as you slide the knife across it. Most whetstones are designed to be soaked in water before every use, so check the manufacturer's instructions to be sure. (Fun fact: Whetstones aren't actually named for the fact that most are used wet—"whet" is actually just an old word for "sharpen").