Answer:
The higher I climb, the hotter I engage. I cannot escape from my crystal cage.
Mobsters judge the quality of a vehicle by the size of this
How far will a blind dog walk into a forest?
With head without hair. With mouth without tooth.
When I'm born I fly. When I'm alive I lay. When I'm dead I run.
I am rarely touched but often held. If you are smart you'll use me well. What am I?