Answer:
Gets rid of bad ones, short and tall. Tightens when used, one size fits all.
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.
I'm full of holes, yet I'm full of water.
This is in a realm of true and in a realm false, but you experience me as you turn and toss.
A nut cracker up in a tree.
Iām grown from darkness but shine with a pale light. Very round I am and always a lady's delight.