First of all, get him used to the harness. Then, starting on command with just the traces dragging.Then move up to a drag bar, which is usually a piece of wood with 2 plastic milk jugs attached. Then the tire. Once you get to the tire, you can do some distance pulling to build up confidence and stamina. I used to put a board inside the bottom of the tire so I could add weights. Slowly increase the weight while decreasing the distance pulled. You can bait him at first, but I suggest not, because it is not allowed in competition. Some dogs will do well, others don't have the heart for it. Above all, this should be a fun task for both of you, keep everything positive. If he stops pulling, help him pull it the rest of the way. Here's some information and links for supplies on the subject... Good luck. http://www.iwpa.net/