Answer:
Hold these between your knees if you want to set a Cuban beat.
Look into my face and I'm everybody. Scratch my back and I'm nobody.
What is the freedom of birds and the pen of old men?
Kills the bad ones and the sad ones. Tightens to fit, so one size fits.
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 so fragile that saying its name breaks it?