Saws, needles, awls and bone harpoons are found.
The use of harpoons and small chisels of copper next arose, then broad flaying knives, needles and adzes, lastly the axe when the metal was commoner.
Its whale hunters armed with explosive harpoons are on a six-week mission backed by their government to kill 38 minkes.
And rarely do they try very hard to avoid our high-powered hardened steel harpoons.
The use of grenade harpoons was made obligatory in 1984.