Answer:
Used on a diamond and left on a board. It's great for a gymnast his grip to restore. What is it?
Two in a whole and four in a pair. And six in a trio you see. And eight's a quartet but what you must get. Is the name that fits just one of me?
Two people are born at the same moment, but they don't have the same birthdays. How could this be?
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?
What is the thing which, once poured out, cannot be gathered again?
What covers its face with its hands, speaks no language, yet most known what it's saying?