Answer:
You use me from your head to your toes. The more I work, the thinner I grow. What am I?
I am partially baked. I am not completely lit. I am a portion of the moon. I am lesser than full wit. I am a divider of the hour. I am not a total lie. I am a sibling through one parent.
I am quick when I'm thin. I am slow when I'm fat. Wind is my worst nightmare. What am I?
I hold two meanings. With one I may be broken, with the other I hold on. What am I?
I go around a yard but does not move.
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.