Answer:
I open wide and tight I shut, Sharp am I and paper-cut fingers too, so do take care, I'm good and bad, so best beware.
Voiceless it cries, Wingless flutters, Toothless bites, Mouthless mutters. What is it?
Everyone has it and no one can lose it, what is it?
Screaming, soaring seeking sky. Flowers of fire flying high. Eastern art from ancient time. Name me now and solve this rhyme.
What is weightless but takes two people to hold it?
What an fill a room but takes up no space?