I thought of this myself, while I was trying to fall asleep, actually. It's my first one, so I hope it's alright.
I'm part of one and found in eight.
I have no hands, yet I create.
I have no face, yet I have hairs.
All of my circles are actually squares.
I may have a stick.
I'll save you a pic.
What am I?
The hairs and the stick are connected.