I have seen knife sharpeners that have a V made out of carbide or ceramic 'stones'. Are these good to use? Do they sharpen the blade well? Are they good for the knife edge. If they are good, do you have any recommendations?
Like this or similar
[ame=http://www.amazon.com/Smiths-PP1-Pocket-Multifunction-Sharpener/dp/B000O8OTNC/ref=sr_1_4?ie=UTF8&qid=1313413888&sr=8-4]Amazon.com: Smith's PP1 Pocket Pal Multifunction Sharpener: Home Improvement[/ame]
Like this or similar
[ame=http://www.amazon.com/Smiths-PP1-Pocket-Multifunction-Sharpener/dp/B000O8OTNC/ref=sr_1_4?ie=UTF8&qid=1313413888&sr=8-4]Amazon.com: Smith's PP1 Pocket Pal Multifunction Sharpener: Home Improvement[/ame]