The aim of any puppy socialisation class should be to start puppies along the right road to becoming a well adjusted, happy adult dogs, using fun training & controlled play/interaction with other dogs. This means giving a wide variety of skills to both dogs & owners & hopefully giving them the thirst for continued learning & improvement.
In this video you'll see the foundations for loose leash walking-not relying on the lead for control, Bella the Bishon shows focus, heel position & a happy, willing disposition while walking beside her owner Clare.