Answer:
Gets rid of bad ones, short and tall. Tightens when used, one size fits all.
The more you take, the more you leave behind.
A blind man enters a maze, and the entrance closes behind him. His only way out is to solve the maze. A long time passes, and he exits the maze through the correct exit. How did he solve the maze?
If a man carried my burden, he would break his back. I am not rich, but leave silver in my track.
I am the hole in the night, the ever watchful eye. I return in a cycle, to enlighten the sky.
What covers its face with its hands, speaks no language, yet most known what it's saying?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?