Answer:
What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?
One strand dangles. Two strands twist. Three or more can fashion this.
You could do this to a motion, see it on a watch, or place this in a race.
What Botox will do to your expression.
It's been around for millions of years, but it's no more than a month old. What is it?
Break me and I am better immediately set and harder to be broken again.