Part 2 addresses adding finishing behaviors such as hold duration, stays, call offs, faster returns, adding a helper, shaping close hand deliveries, side delivery, retraining in the field, generalizing the behavior plus other criteria to train for. Includes how to to the Premack Principle (tugging only works if your dog likes it more than the retrieve-but you can use other activities that are more fun for your dog) , Classical
Conditioning and Alexandra Kurland's Peck 300 method.