Education is definetly the key. Most people think that it is just part of a band uniform, a television show, or a commercial and do not know the history behind them. So seeing one in a different (daily) context gives them a reason to do a double take.

The longer I am kilted, the talking is becoming easier, and I can tell those who are sincere in wanting to know the reasons of why, to those who just want to show their ignorance.