Try this method. Very easy and quick. After securing egg material on top of hook (I use three layers of McFly Foam) I tie my thread off just like in this video and then pull all of the foam material straight up and very tight and cut straight across quickly. As you can see from the vid there is a little trim work to be done. Don't get discouraged and just keep at it.
Here is one by Charlie Craven that shows about the same process and he uses the McFly Foam that I use for my egg patterns: