Answer:
Glittering points that downward thrust. Sparkling spears that never rust.
What is bought by the yard by is worn by the foot?
A mighty weapon in the war against winged household pests.
Although I'm not an insect, some people found me very difficult to exterminate. They called me something like 'insane priest.' The first half of my name means the same as 'scrape,' & my last three letters are a metal. Who am I?
I am the heart that does not beat. If cut, I bleed without blood. I can fly, but have no wings. I can float, but have no fins. I can sing, but have no mouth.
Dark, feathery, and popular in Baltimore and fantasy books.