An illusion can be used as a difficult entrance into a spin. You will see this into a laybacl. Paige talks about your rhythm and how low your head needs to be. You need to finish the curve on your entrance and then keep the quick rhythm to execute this illusion correctly. Your motion needs to be sharp and quick and in this 3 minute 19 second lesson you will see how this illusion needs to look to achieve the feature.
Paige actually wants you to reach down and try to touch the ice to really get your upper body motion going.