Answer:
Gets rid of bad ones, short and tall. Tightens when used, one size fits all.
Who lives in a house with one bedroom, 50 hallways, and ghosts lurking everywhere?
What is often returned but is never borrowed?
Ten men's strength, ten men's length. Ten men can't break it, yet a young boy walks off with it.
What is it that given one, you’ll have either two or none?
I have two eyes in the front and a lot of eyes on my tail