A slogan is a memorable phrase used in advertisement, and flattery advertisement is a technique that uses flattery to entice the customer and make them feel good about the purchase. Here is an example of a slogan that uses flattery advertising
"Speedmasters, for those that prefer a healthy life instead of a easy life."
The customer sees that the woman in the image is running on the highway instead of driving in a car, so when you combine it with the slogan, the customer feels like they are choosing a healthier lifestyle by purchasing running shoes.
The bandwagon slogan suggests that everyone is using these shoes. The bandwagon slogan makes viewers feel like they want to join a team of runners. The flattery slogan suggests that viewers deserve the best, including these shoes. The flattery slogan makes viewers feel like they are athletic, fast, smart, or conscientious.