Answer:
A leathery snake, with a stinging bite. I'll stay coiled up, unless I must fight.
What is the thing that stays the same size, but the more it's used the more it decreases?
I saw a strange creature. Long, hard, and straight, thrusting into a round, dark opening. Preparing to discharge its load of lives. Puffing and squealing noises accompanied it, then a final screech as it slowed and stopped.
I can ruin your day, or darken your life. And while I'm expected, I'm never alright. I'm bad for business, and worse for your hair. Wherever I am, there's something not there.
In buckles or lace, they help set the pace. The farther you go, the thinner they grow.
What covers its face with its hands, speaks no language, yet most known what it's saying?