Answer:
In all the world, none can compare, I am a tiny weaver; my deadly cloth so silky and fair. What am I?
What can travel all around the world without leaving its corner?
I travel in a gaggle.
Two in a whole and four in a pair. Six in a trio you see. Eight's a quartet but what you must get is the name that fits just one of me.
I help engines spin and pants stay up
Known for their natural tuxedos and marching.