A BEAUTIFUL JIMPUL

, DOES IT HAVE COWRY SHELLS IMBEDDED IN THE BEES WAX FERULE? THAT IS SOMETHING I DON'T REMEMBER SEEING BEFORE ON DAYAK ITEMS. IN A OLD POST I ASKED ABOUT A DAYAK SWORD I HAVE AND IT HAD A SHARP POINTED CURVED BLADE, WE CAME UP WITH THE NAME JIMPUL FOR IT. I HAD THOUGHT THE NAME REFERRED TO THE SHARP POINT BUT AS I NOW SEE MANY WITH THE MORE BLUNT TIP REFERED TO AS JIMPUL INSTEAD OF MANDAU I AM NOT SURE AS TO WHAT SETS THEM APART. IS IT THE CURVED BLADE FORM THAT MAKES IT A JIMPUL AND NOT A MANDAU AND IF THE BLADE IS SHARP POINTED BUT NOT CURVED IS IT A MANDAU AND NOT A JIMPUL?