Answer:
The person who makes it has no need for it. The person who purchases it does not use it. The person who does use it does not know he or she is. What is it?
People like this usually live in rural areas, unless they are lucky enough to strike oil and move to Beverly Hills.
Gets rid of bad ones, short and tall. Tightens when used, one size fits all.
I love to dance and twist and prance. I shake my tail, as away I sail. Wingless I fly into the sky.
I'm sometimes white and always wrong. I can break a heart and hurt the strong. I can build love or tear it down. I can make a smile or bring a frown.
What do angels sing in the shower?