Have you tried placing small cut down sheets of plywood of similar into the hedge at intervals to possibly push them off their runs in the hedge, I’m sure there was someone on YouTube using them think they called them donk boards
Just an observation, have your poles set the other way round, in front of your net inStead of at the back, that way all the bagging in the netting is at the right side if that makes sence
She has turned out a cracking looking animal Terry, enjoy this season with her, there is nothing better than watching a youngster progress and learn as the season goes on,