Answer:
Other terms for this handy device include doohicky, doo-dad, and whatchyamacallit.
What has a head, a tail, is brown, and has no legs?
Sally, Lisa, and Bernadette are triplets. But Sally and Lisa share something that Bernandette does not. What is it?
A person's greatest asset.
You have it even if there is none.
Break me and I am better immediately set and harder to be broken again.