▁The ▁dress ▁is ▁worn ▁with ▁head ge ar ▁and ▁emb roid ered ▁long ▁p ants , ▁at ▁cer emon ies ▁to ▁mark ▁the ▁King ' s ▁installation , ▁birth day , ▁official ▁vis its ▁to ▁the ▁states ▁and ▁during ▁the ▁opening ▁of ▁the ▁Parliament ▁sitting . ▁Past ▁H ari ▁Mer de ka ▁celebr ations ▁saw ▁various ▁other ▁appearances ▁of ▁the ▁dress . ▁ ▁Royal ▁bu ck le ▁ ▁The ▁P ending ▁or ▁Royal ▁Buck le ▁is ▁made ▁of ▁pure ▁gold ▁and ▁decor ated ▁with ▁ 1 1 ▁rub ies . ▁There ▁is ▁an ▁eng ra ved ▁cent rep ie ce ▁featuring ▁the ▁Federation ▁C rest . ▁The ▁bel t ▁is ▁made ▁of ▁heavy ▁rib bed ▁sil k ▁and ▁emb roid ered ▁with ▁fl oral ▁mot ifs ▁in ▁gold ▁thread . ▁ ▁Royal ▁bl ades ▁The ▁most ▁rever ed ▁item ▁in ▁the ▁Mal ay ▁royal ▁reg alia ▁is ▁the ▁ker is . ▁Two — the ▁Ker is ▁P ende k ▁di - R aja ▁and ▁Ker is ▁Pan j ang ▁di - R aja — are ▁among ▁the ▁Royal ▁Reg alia ▁worn ▁by ▁the ▁Yang ▁di - P ert uan ▁Ag ong . ▁ ▁Ker is ▁P ende k ▁di - R aja ▁Ker is ▁P ende k ▁di - R aja ▁or ▁Royal ▁Short ▁Ker is ▁is ▁the ▁short ▁ker is ▁made ▁from ▁the ▁steel ▁bl ades ▁of ▁older ▁ker is . ▁It ▁has ▁an ▁iv ory ▁h ilt ▁and ▁gold - decor ated ▁she ath . ▁The ▁h ilt ▁is ▁called ▁H