Guess what I am riddles!

What has two hands and a face, but no arms and legs

I can't be used until I'm broken, what am I?

When it rains I open up, what am I?

I have a single eye but cannot see, what am I?

I start with an E, end with an E, and have a letter in me. What am I?

The more I dry, the wetter I become.

I have keys that open no locks, but allow you to enter without going in.

Cows swallow this blade, but it's not sharp or made of metal

I'm bigger than a flea, I'm bigger than a bee. You can unlock a door with me.

I have no life, but I can die, what am I?