Lighten up guys. The guy came here seeking advice. He is addressing the issue. Give him a break. He added a 2nd chain as a precaution. He said he would seek out a trainer.
Everyone needs to relax and quit flexing their internet muscles. It's amazing how brave and courageous some of us become when hiding behind a keyboard.:o
"Heck if that Rottie got loose and came after me I'd rip him apart with my bare hands and feed him to my Yorkie. Then I'd put a 6' o leash on the the owner and take him for a walk out back".........."Go ahead make my walk":W
Signed, Clint Keyboard internet enforcer! :B