Answer:
Until I am measured I am not known, Yet how you miss me when I have flown.
We travel much, yet prisoners are, and close confined to boot. Yet with any horse, we will keep the pace, and will always go on foot.
A skin have I, more eyes than one. I can be very nice when I am done.
In this place, people lie, people cry, and people ask why. In this place, people sleep, people weep, and people's solitude, they keep. What is it?
The more holes you cover the lower it goes.
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?