Answer:
You can read me both ways I wear; One way it's a number reversed a snare.
I go in hard, come out soft. Blow me hard and I'll make a pop. What am I?
I have a foot but no leg. What am I?
I will disappear every time you say my name. What am I?
My full powers come when my makers are dead. I await a heavy hat to put on my head. What am I?
Both a currency and an antlered male. What is it?