In this video I show you

Pulling on the leash, now what?

Getting your dog to automatically sit whenever you stop walking will not only make your dog look like an obedience champion, it's also an easy way to keep your dog from jumping on other people.

Train before his meals so he's motivated by hunger. You can mix some small, delicious treats with his kibble. Vary rewarding with treat and kibble bits so he never knows what he is going to get.