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Off to college with good sharpening skills and a set of good stones. Bet he teaches a person or two to sharpen while there. That is not a bad deal at all on those stones!
Jan, he has paid very little attention to sharpening. He has done it a little but to get good he will need a lot of practice. This is the knife I got himhttp://www.knifeworks.com/crktcrawfordnatural2aococobolowoodhandleoutburstplain.aspx
It's a built like a tank, and can be used for blunt force trauma as well as stabbing. The handle is a little small, but over all it's pretty good.
That knife looks like it will take some abuse, which will probably be necessary, as kids (and even adults) will use a knife that is handy rather than a proper tool - use as a screwdriver, prybar, scraper, etc. 8CR13MOV steel sounds to me like a reasonable option. Luckily, he'll have dad to bring it back to sharp on breaks from college. I like the Case Tri-hone set, but nothing takes the place of practice.