Accordingly , traditional Balinese buildings have a wall called an aling - aling just inside the doorway , which keeps the spirits out because they only move in straight lines , and hence bounce off .
Hyang are said to only move in straight lines .
Traditional Balinese buildings have a wall called an aling - aling just inside the doorway , which keeps the spirits out because they only move in straight lines , and hence bounce off .
Hyang are said to only move in straight lines .