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?
I know a word of letters three. Add two, and fewer there will be!
I am cracked by Indiana Jones. What am I?
What breaks on the water but never on the land?
What word in the English language uses all five vowels plus Y in alphabetical order, and uses each only once?
Iām grown from darkness but shine with a pale light. Very round I am and always a lady's delight.