I tried and tried to learn to throw a big one but never got it down. I'm way more productive with a smaller net that opens every time. This is not me but how I throw mine: https://www.youtube.com/watch?v=ckm6BIVryEY
Loc: Parker County
Biggest I have thrown is an 8 footer (Texoma), but I threw it exactly how I throw all of my other ones. I would just practice a lot. There are a lot of variations out there on how to throw a net, find what is comfortable for you and do that.