Answer:
A little house full of meat, no door to go in and eat.
What does a WW1 Trench, A Submarine and a Popular Phone App all have in common?
You can hold it without using your hands or your arms. What is it?
It's in your hand though you can not feel it. Only you and time can reveal it.
Mobsters judge the quality of a vehicle by the size of this
It can be cracked, It can be made, It can be told, it can be played. What is it?