Answer:
Used left or right, I get to travel over cobblestone or gravel. Used up, I vie for sweet success, used down, I cause men great duress.
The more holes you cover the lower it goes.
I hide but my head is outside.
What runs around all day. Then lies under the bed. With its tongue hanging out?
Walk on the living, they don’t even mumble. Walk on the dead, they mutter and grumble
I have two eyes in the front and a lot of eyes on my tail
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?