Answer:
It's held in the hand when going out.
There is an ancient invention. Still used in some parts of the world today. That allows people to see through walls.
How is Europe like a frying pan?
What becomes too young the longer it exists?
Why did the two 4s skip dinner?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?