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.
I am found in the sea and on land but I do not walk or swim. I travel by foot but I am toeless. No matter where I go, I am never far from home. What am I?
You can read me both ways I wear; One way it's a number reversed a snare.
I go up but never come down. What am I?
I have a neck and no head, two arms but no hands. I'm with you to school, I'm with you to work. What am I?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?