WANNA LAUGH?!?!?! - Riddle Edition

1.  Often held but never touched, always wet but never rusts, often bites but seldom bit, to use me well you must have wit. What am I?


2. What belongs to you but other people use it more than you?


3. You throw away the outside and cook the inside. Then you eat the outside and throw away the inside. What did you eat?


4. The man who invented it doesn't want it. The man who bought it doesn't need it. The man who needs it doesn't know it. What is it?


5. What comes once in a minute, twice in a moment, but never in a thousand years?


Answers, (spelt backwards...) :)
1. eugnot, 2. ruoy eman, 3. na rae fo nroc, 4. a niffoc, and 5. eht rettel m