How to Thread Bobbin?
Most sewing machine have automatic bobbin threaders. In order to thread a bobbin, you being by inserting the thread in one of the holes nearest the core and then wind the three around the core a few times. Place the bobbin on the guide on the sewing machine, usually on top, next to the thread. Push the pin (what the bobbin is sitting on) over to the left and slowly depress the presser foot to wind the thread. You and use a pencil to guide the thread to make sure it distributes evenly.