Answer:
If you lose me, you may cause people around you to lose me too. What am I?
When you buy me I am costly, but the only use I have is hanging only. What am I?
My teeth help me suck.
You use a knife to slice my head and weep beside me when I am dead.
I am an insect half of my name is another insect. I am similar to the name of a famous band.
What never gets any wetter no matter how hard it rains?