Answer:
Long and thin red within with a nail at the end.
What comes in many different sizes but is always only 1 foot long?
I'm found in socks, scarves and mittens. I'm found in the paws of playful kittens. What am I?
The more of this there is the less you see. What is it?
As a state in America I am round on both sides and high in the middle.
What age most travelers have?