Answer:
Gets rid of bad ones, short and tall. Tightens when used, one size fits all.
What always goes to bed with his shoes on?
I have legs but walk not, a strong back but work not. Two good arms but reach not. A seat but sit and tarry not.
Three little letters. A paradox to some. The worse that it is, the better it becomes.
It stands upright and can be quite grand. Its secret is not hidden but right at hand. What is it?
Why was the cook arrested?