Answer:
I walked and walked and at last I got it. I didn't want it. So I stopped and looked for it. When I found it, I threw it away.
It is the electronic version of junk mail or a salty meat in a can.
My first is in some but not in all. My second is into but not in tall. My third in little but no in big. My fourth in port but not in pig. My whole is made in nature's way. For clothing, rugs used every day.
What can be seen but never found that only hides in the unwound?
What goes with a car, comes with a car, is no use to a car but a car cannot move without it?
When is it bad luck to see a black cat?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?