First, we need to consider what the ‘Wai’ is. The reality is that it is a standard method of greeting people in Thailand. It dates back to the 12th century and is done by raising both hands clasped together in front of you.
In times long ago this was done to show you were holding no weapon, which is, strangely enough, the reason why foreigners shake hands. Let us now look at when, how and with which people we should ‘Wai’.
To start with, the height of your hands in relation to your head displays how much respect you are showing to the person.