Answer:
I am a protector. I sit on a bridge. One person can see right through me, while others wonder what I hide. What am I?
When I point up, it's bright. When I point down, it's dark. What am I?
I am higher than the king. What am I ?
I am so delicate that even mentioning me breaks me. What am I?
You bind me and I walk. You loosen me and I stop. What am I?
Runs over fields and woods all day. Under the bed at night sits not alone, With long tongue hanging out, Resting at your feet until we go for a walk