Answer:
Iron on a mammal. Mammal on your feet.
When liquid splashes me, none seeps through. When I am moved a lot, liquid I spew. When I am hit, color I change. And color, I come in quite a range. What I cover is very complex, and I am very easy to flex.
What covers its face with its hands, speaks no language, yet most known what it's saying?
I can be cracked, I can be made. I can be told, I can be played.
My first is in fish but no in snail. My second is in rabbit but no in tail. My third is in up but not in down. My fourth is in tiara but not in crown. My fifth is in tree you plainly see. My whole a food for you and me.
The warmer I am the fresher I am.