Answer:
When you need me, you must find me. When you find me, you no longer need me. What am I?
What has a head and a tail, but no body or legs?
You write on me and secrets I can keep in places never seen. I spin like a top. Though stiff as a board, I'm often described like a mop. What am I?
I cannot be bought, cannot be sold, even if I'm sometimes made of gold. What am I?
I have hands but cannot clap
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?