Please check my answer thanks so much :)
During a controlled walking exercise, how can you keep a dog from pulling on the leash?
A. Wait until the leash just gets taut and then gently pull the dog back to you.
B. Use a shorter leash for this exercise.
C. Just before it gets taut, give the leash a quick snap and immediately release it.
D. Walk more quickly to put slack back into the leash.
I picked C
dog behavior - PsyDAG, Tuesday, July 29, 2008 at 1:06am
If you want to have the dog associate nonverbal command with pulling, it needs to be associated with that act. A seems to be the best answer.