Answer:
I hide in a dark tunnel awaiting my time. I can only be released by pulling back. Once released I may do unstoppable damage.
Which word does not belong in the following list: Stop cop mop chop prop shop or crop?
What has many teeth but can't bite?
I am so delicate that even mentioning me breaks me. What am I?
I have a hundred legs, but cannot stand. I have a long neck, but no head. I cannot see, and I'm neat and tidy, as can be. What am I?
No matter how little or how much you use me, you change me every month.