IT IS POSSIBLE THAT THE DAYAK MAY HAVE ADOPTED SOME FORM OF ARMOR FROM THE MORO TRADERS AND PIRATES. I HAVE SEEN SOME EXAMPLES MADE OF BONE OR HORN PLATES MUCH LIKE THE ONES COMING FROM THE PHILIPPINES COME FROM BORNEO.
THERE MAY ALSO HAVE BEEN A LIGHT KIND OF ARMOR CAPABLE OF TURNING A BLOWGUN DART IF THEY WERE USED IN WARFARE OR FOR AMBUSH

AS ACCURATE AS THE DAYAK WERE WITH THE BLOWGUN I DOUBT ANYTHING LESS THAN FULL COVERAGE WOULD WORK, SO I DOUBT IT EXHISTED FOR BLOWGUN PROTECTION.
I WILL INCLUDE SOME PICTURES OF A CEREMONIAL EXAMPLE FROM BORNEO AS WELL AS TWO FROM TORAJA.