Answer:
What can you put in a barrel to make it lighter?
I go around in circles, but always straight ahead. Never complain, no matter where I am led.
What is pronounced like one letter, written with three letters. And belongs to all animals?
It is an arctic double breasted formal wear.
The person who makes it has no need for it. The person who purchases it does not use it. The person who does use it does not know he or she is. What is it?
You use it between your head and your toes, the more it works the thinner it grows.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?