Answer:
You can hold it without using your hands or arms. What is it?
What is the thing that stays the same size, but the more it's used the more it decreases?
If you break me, I do not stop working. If you touch me, I may be snared. If you lose me, nothing will matter.
What can you catch but not throw?
You use it between your head and your toes, the more it works the thinner it grows.
I am your mother's brother's only brother in law. Who am I?