[lit: chert bone] the core left over from nodule after knapping flakes
Aeray pokay
[lit: chert chipped-pieces] all fragments knapped from a nodule, both tool flakes and waste fragments. Pokay is from verb pokubtuw [lit: to strike off pieces from stone]. All flaking was called pokubtuw.
Aeray Henenj
[lit: chert true] real aeray (as distinct from aeraytol).
Aeray nay na hae
[lit: chert edge not stands] a blunt flake.
Aeray wil hae
[lit: chert nose stands] flakes with sharp points suitable for boring holes
Bombray
dark-coloured chert
Habuwk lay
[lit: split-handle hit] mounted flake, habuwk being the generic name for split handles.
Haeluwp/tomaep/unguruwm lubtuw
[lit: rattan/vine strike] shaving down rattan strands where the flake was held at whatever angle was necessary to bring the cutting edge into effective action for shaving off pith from vine with relatively short quick strokes. Small flakes were sometimes mounted for this.
Homuw chay bubtuw
[lit: belly-pork cut do] butchering pigs (making the two cuts through the tough hide of the belly to open the animal up), where the flake was held between thumb and fingers and the sharp edge run along the pig's belly to cut the hide and fat and abrading the ribs prior to breaking them = porol ndobor kobtow [lit: ribs break speak] where a flake was run down the ribs of a pig several times to abrade them, then broken by pressing sharply on the sternum bone with the heel of two hands.
Hul siyubtuw
paring down bone.
Iysh siyubtuw
shaving/paring down wood (this is the most common use). Siyubtuw = holding the flake at the angle dictated by the cutting edge to ensure that it cut the material effectively, and moving it along the surface to pare down/shave it with fairly short and rapid movements.
Kaembol aegol bubtuw
[lit: groove round make] cutting off pieces of wood or bamboo by sawing through the material until it was snapped in two easily and cleanly where the flake was held between the thumb and fingers and cuts made into the material with short sawing strokes to cut it in half.
Ndul pelay
[lit: arrow-foreshaft carve] carving arrow foreshafts, where fine flakes were held between thumb and fingers and used to carve a design.
Puw hondobtuw
[lit: organs look] cutting open chest cavity (abrading sternum) of dead persons to look at the lungs, heart etc. to work out the cause of death where a flake was used to abrade the deceased person's sternum bone until it could be broken by firm pressure with the heel of hand, to inspect the internal organs to divine cause of death.
Tiyt tombayubtuw
boring holes (in wood, shell etc.); holding pointed flake between thumb and fingers and twisting to and fro between approx. 180º, while pushing downwards to bore a hole. If mounted in handle, such a blade was sometimes twirled between the palms.
Tomaep aeray
chert tools suitable for shaving rattan strands
Tomaep aeray habuwk lay
mounted flakes
Waip bubtuw
[lit: pattern make] engraving/scratching designs on bamboo (e.g. on tobacco pipes) and cane grass stems (e.g. arrow shafts) where a flake was held between the thumb and fingers and the sharp edge used to cut a design.