sharpened

...picture of a woman pinting and two men? A fast moving car,a woman pointing,a sharpened pencil and two men on a snow

I'm wanting to buy a Naginata for practice in Martial Arts finding an unsharpened blade is nearly impossible, so I'll settle for a slightly sharpened blade. But I'm wondering if it's possible to accidentally cut yourself with a slightly sharpened blade. If I dropped it on a mat, would it make a...

can a baseball bat--aluminum or wood--be sharpened into a sword-ish type of blade or edge?

I stuck my tip finger in for like half a second to see what would happen and my nail came out cracked and my finger is all torn up. The shred case is filled with skin and blood. What should I do to save my sharpener!? A think a nail was jammed into the blade and my pencils won't sharpen as well...