Loy krathong Festival is an important day, a day of Thai people. This tradition was established to be a ceremony and asked khamar: goddess of water.
In Loy Kratong People will do "krathong" from various materials and equipment furnished like a blossom and incense, candles, embroidered, cut nails. Hair or put a coin into the lanterns and floats in water, as I believe. It also believes that the Loy krathong is an altar and that khamar goddess of water myself with Oka sadai which attend from Loy krathong. I feel that it's more calm mind and relax.