Answer:
In buckles or lace, they help set the pace. The farther you go, the thinner they grow.
What number has all letters in alphabetical order when spelled out?
What makes a loud noise when changing its jacket, becomes larger but weighs less?
Useful tool for who in darkness dwell. Within you, corrupting like a deadly spell.
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.
People take me on walks and I run and have fun. What am I?