20q.net ... Can you stump it?

Almost got it to give up on me....

Q30. I am guessing that it is barbed wire?
Right, Wrong, Close
29. I guessed that it was a snow ball? Wrong.
28. Is it made of stone? No.
27. Is it made out of wood? No.
26. Does it make something move? No.
25. Does it shine? Doubtful.
24. Is it worth a lot of money? Doubtful.
23. Is it man made? Yes.
22. I guessed that it was a sword? Wrong.
21. Does it cut? Yes.
20. I guessed that it was a gun? Wrong.
19. Is it part of a set? No.
18. Can it be painted? Maybe.
17. Can you see through it? No.
16. Does it serve a purpose? Yes.
15. Can it be easily moved? Probably.
14. Have you seen one in real life? Yes.
13. Can it be measured? Yes.
12. Is it inorganic? Yes.
11. Does it have big ears? No.
10. Are there many different sorts of it? No.
9. Is it comforting? No.
8. Does it come from something larger? No.
7. Can it discharge waste? No.
6. Is it conscious? No.
5. Could you send it in the mail? No.
4. Does it move? No.
3. Is it colorful? No.
2. Does it usually have four corners? No.
1. It is classified as Other.