THANKS FOR THE REPLY.

I HAVE HUNTED STONE POINTS FOR MANY YEARS AND AS YOU MENTION ALL WE FIND IS THE POINTS AND TOOLS OFTEN WORN AND POLISHED BY HUNDREDS OR THOUSANDS OF YEARS IN A RIVER BED. NOTHING REMAINS TO TELL US HOW THEY WERE ATTACHED OR DECORATED DURING THOSE TIMES.
THESE MORE RECENT TRIBAL GROUPS CAN GIVE US A CLUE AS TO THE WIDE RANGE OF POSSIBILITIES, NOW LONG LOST IN TIME OF THE MANY PEOPLES BEFORE US. TODAY'S FLINT NAPPERS HAVE LEARNED MOST OF THE TECHNIQUES USED BY THE ANCIENTS, THOUGH MANY ARTIFACTS CAN NOT BE DUPLICATED EVEN BY THE BEST. EXAMPLES IN STONE EXIST IN PLENTY BUT EXAMPLES OF ADHESIVES, SHAFTS, HANDLES AND DECORATIONS ARE VERY FEW.
#1. AN EXAMPLE OF A SHAFT AND OBSIDIAN ADZE BLADE FROM THE ADMIRALTY ISLANDS.
#2., #3. & #4. OBSIDIAN POINTS FROM EASTER ISLAND THEY ARE OFTEN DESCRIBED AS SPEAR POINTS BUT MOST LIKELY ARE ADZE BLADES. THE ADZE IS MOSTLY A TOOL BUT CAN ALSO FUNCTION WELL AS A WEAPON. I AM NOT AWARE OF ANY COMPLETE EXAMPLES FROM EASTER ISLAND.