[2]: 78 Those who proved themselves in battle mentioned in the Nawanatya (a court etiquette manual composed in the 14th century) had jackets "decorated with shell discs".
[2]: 79 Another possibility is that it was made from buffalo hide and reinforced with small discs of shells called siping-siping.
At the time of the Bubat tragedy (1357), it was noted that the Sundanese elite troops under the command of the patih Anepaken wore armor (sisimping or siping-siping).
His guards were handsome, just like in the picture; they had spears of jring wood, wore gold-worked armor (sisimping) and trousers (lancingan) of fine manufacture.
[7]: 40, 109 [8]: 69 Likewise the Majapahit party in the Kidung Sunda, Javanese soldiers are recorded as using golden siping-siping.