REWARD GOOD SERVICE
Should good service be rewarded or is reward the motivation for better service. While you cannot train customers on tipping formalities and requirements, you definitely can train staff to extend service in a manner that deserves a reward.

MAKE IT CONTAGIOUS
It is a natural phenomenon to emulate your superior, as he is believed to be always a step ahead of all in the department or organization. He is supposed to be the trendsetter. He is always observed and often emulated. Observation will help them emulate. Contemplation will help them excel. A scenario thus would give the ideal opportunity to spread a customer service philosophy amongst employees.