As the ceremony because of Loy krathong floating suffering consequence of mourning sickness and bad things, floating along the River with floating lanterns ceremony, similar to the sin of Brahmin.
To exorcise I like to float the Krathong suffering sadness ailments. And something bad were to float down the river to the broiler. Similar rite of Brahman free from sin
To exorcise Because of the festival is like a floating sorrow, grief, sickness and ไม่ดีต่าง thing. To float down the river with the count Similar to the host of the Brahmin