Answer:
When they are caught, they are thrown away. When they escape, you itch all day.
Vikings use this for warmth.
I have legs but never walk, I may have flowers but no soil, I hold food but never eat.
Goes over all the hills and hollows. Bites hard, but never swallows.
What is so fragile that saying its name breaks it?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?