Answer:
Neither bought nor sold but more valuable than gold. It is built but not by hand. What is it?
In buckles or lace, they help set the pace. The farther you go, the thinner they grow.
As beautiful as the setting sun, as delicate as the morning dew. An angel's dusting from the stars. That can turn the Earth into a frosted moon.
The person who makes it has no need for it. The person who purchases it does not use it. The person who does use it does not know he or she is. What is it?
The eight of us move forth and back. To protect our king from the foes attack.
What never gets any wetter no matter how hard it rains?