Just get yourself a 5 or 6 foot net, much easier to control. I use the method in this video.
https://www.youtube.com/watch?v=tWi46m_pC4E
Keep your net untangled, that's the #1 key to success. #2 I find the net opens better if I keep my elbow straight on my throwing arm. #3 is see #1
Good Luck!