I use leaders so the nest stays on the leader not my fabric piece. Most of you probably use leaders too. (It wouldn't have worked for this picture though.)
The tip I want to give is this. We get so many little perception bags from the drugstore. I tear a pinch off and use it for a leader. After 2 or three times I stick it in the waste basket. I was using fabric leaders as so many do, but I find using the paper is faster, easier, and I don't have to search for little pieces of fabric that maybe I can use in a crumb quilt.
Now I am tearing a whole baggie at one time and putting the little leaders in a pretty glass bowl so I an grab and go!