Answer:
What has only two words, but thousands of letters?
What Botox will do to your expression.
One strand dangles. Two strands twist. Three or more can fashion this.
What ship has no captain but two mates?
They can be long or short; they can be grown or bought; they can be painted or left bare; they can be round or square.
I break away from my pack. I create holes in my victims. I can travel for miles and then disappear. I am part of a dying breed. What am I?