Answer:
A person who chews the ends of their fingers
This is a shape and a symbol that we literally cannot live without. What is it?
One strand dangles. Two strands twist. Three or more can fashion this.
I never was but am always to be, and everyone looks forward to me
Used to keep prisoners silent and to make temporary repairs on cars.
I touch the Earth, I touch the sky, but if I touch you, you’ll likely die. What am I?