for that matter thiruvidanthai, thirumananjcheri, thirupainkili( near trichy where they conduct a marriage between banana trees) all have the energy for creating alliances.
but coming back to the point.nandi a native of thiruvaiyaru comes in a procession and crosses the coleroon river. visamangkai is the bride. but as the man giving away the bride vajranathar and alakammai go to edge of town to welcome the procession.