Answer:
Often held but never touched. Always wet but never rusts. Often bits but seldom bit. To use it well you must have wit.
I'm not man's best friend, I'm their enemy, I can mark your end, yet you do not see me, I am very small, but very tough, If you have me, then you have it rough.
Jack and Jill when up the hill jack fell down
What stays the same size no matter how much they weight?
What can be big, white, dirty and wicked?
I met a man and drew his name. He tipped his hat and played my game. What is his name?