This is just a short, quick tutorial on how to change your presser foot, and the correct placement of the Free Motion Foot(aka Darning foot) for free motion quilting.
First, your setup will look something like this:
Next, you'll want to attach your FM foot, like so:
This is what it looks like from the other side:
To pull up your bobbin thread to the top of the fabric, you'll want to put your quilt in, lower the foot, put the needle down, and hold on to the needle thread:
I hope this helps! And if you have any questions, you may email me at email@example.com. I do not mind helping! :)