Of course,there are several obvious caveats to the above discussion. First,the research is based in the US and as we noted earlier in this chapter tipping is a culturally bound phenomenon. Second,not all of thes tip-enhancing techniques will be appropriate for every type of restaurant or service setting,or indeed every server. Consequently some of these aspects may work better than others and should be used advisedly,both by individual employees and managers who encourage servers to use such techniques.