Answer:
What has 3 feet but no toes?
The more you look at me The less you see.
you hold my tail while I fish for you
Whoever made me doesn't want me. Whoever bought me doesn't need me. Whoever uses me doesn't know me. What am I?
I make a loud sound when I'm changing. When I do change I get bigger but weigh less. What am I?
No matter how little or how much you use me, you change me every month.