Answer:
My first is high my second damp my whole a tie a writer's cramp.
As a state in the USA, I am round on both sides and high in the middle. What am I?
What two keys cannot open any door?
I am the only thing that place today before yesterday. (one word)
I am a kind of coat that can only be put on when wet. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.