I wriggle through a world unseen, where every tunnel keeps things green.

Born of Prometheus, cradle of the Phoenix, I am a crimson pulse buried in a gray shroud. I am the glowing residue of November and December; place an 'M' at my head to make a body's limb, or leave me to freeze into ash. What am I?

Soft as a whisper on a chilly morn', Worn by the lamb, from which it's born. Once it's trimmed, we stay snug and warm, A gentle shield from the frosty storm.

When Made in China wasn’t looked at as low quality but for royalty; When worms weren’t seen with disgust but highly treasured.

Various fruits grow on these, such as tomatoes, and grapes. You might hear of ____ ripened tomatoes. Alternatively, if you hear something second hand you hear it through the grape ____