Despite all knowledge and theoretical foundations, training is also a craft. And practice makes perfect, as is well known. For training, observation must be practiced, timing and handling of rewards, structure of the training situation and much more. These skills can be improved through regular practice. Therefore it is enormously important to improve yourself in practice, e.g. through video recordings, seminars and exchange with others. Because the fewer mistakes we as trainers make, the faster the animal learns from us.