I have a tongue but cannot speak, I put my tail between my teeth. When times are tough and the table is bare, pull me close for a tighter wear.

You cannot look directly at me without seeing your twin, even if you don't have a twin. People look at me to see themselves, but even so, I never quite show them themselves as other people see them because my view is backward.

First three short for an herb green and friendly. My last three are an action, something you do when you want it. Put together, and I'm a great idea, the best chicken treat, or a solid chunk of gold.

Feline eye, Roman nose, Pericles in perfect pose, Agate rolls, Steely strays, Gorgons glaze, by glowering gaze

I come in many shapes and can be part of other things, but everyone has at least one of me. I have a face, and I tell you something important. Sometimes, I also have hands, but some people find it harder to understand what I say when I have hands.