Bottomfeeder;4008811; said:The dog is obviously in pain when my mom corrects him with him, screaming in pain and growling.
Theres the problem.
Those are NEVER made to be yanked on. You might as well just be poking the dog with nails.
Those are used for dogs that pull on a leash, so they start to feel it once they start pulling, and they stop before its actually painful.