How to Overcorrect Your Dog's Prong Caller Corrections

I have a year and a half year old blue healer mix The history unknown to me, but uh completely untrained assuming he was a stray out in Oregon He knows 30 commands and has good obedience 100 percent inside 95 outside Including great recall besides when you see squirrels Which I'll work on with the ecology came to me leash reactive and has separation anxiety. We worked on both of them since he's an anxious dog and does does amazing now Uh, no problem overall. However, we still struggle on the leash makes sense regarding history. Um, I think over frustrating him with the prong caller corrections. That's my recommendation for thisUh, he doesn't respond to theprong caller.