Answer:
In buckles or lace, I help set the pace. The farther you go, the thinner I grow. What am I?
I am a kind of coat that can only be put on when wet. What am I?
I am the only thing that always tells the truth. I show off everything that I see. I come in all shapes and sizes. What am I?
I am rarely touched but often held and if you are smart you'll use me well.
I fly yet I have no wings. I cry yet I have no eyes. Darkness follows me. Lower light I never see.
Give it food and it will live, give it water and it will die.