Answer:
I bind it and it walks. I loose it and it stops.
This item is used in most sports, has 4 holes, comes in a variety of colors, and there is a state that shares its name. What is it
The more you take, the more you leave behind.
Sometimes black, sometimes white, I have veins but no blood
I can be quick and then I'm deadly, I am a rock, shell and bone medley. If I was made into a man, I'd make people dream, I gather in my millions By ocean, sea and stream.
What is so fragile that saying its name breaks it?