soft hammer การใช้

• Direct percussion with a soft hammer was likely used for accuracy.
• Some hand axes were formed with a hard hammer and finished with a soft hammer.
• However, marks left a small hard hammer can leave similar marks to a soft hammer.
• Finally the edge is retouched : small flakes are hit off with a bone or wood soft hammer to sharpen or resharpen it.
• The dulcitone uses soft hammers which damp the forks, compared to the hard hammers of the glockenspiel, creating a more gentle sound.
• Blows that result in deep conchoidal fractures ( the first phase of manufacture ) can be distinguished from features resulting from sharpening with a soft hammer.
• The Later Mesolithic period ends around 4000 BC and is followed by a Neolithic lithic ( stone tool ) tradition based on hard and soft hammer percussion, indirect percussion, pressure flaking, and bifacing.
• This involves a process of percussing the stone with a hard hammer such as a stone, a soft hammer such as a bone or antler, and pressure flaking using a punch made of bone or antler.
• Then he or she works it over again, or retouches it, with a soft hammer of wood or bone to produce a tool finely chipped all over consisting of two convex surfaces intersecting in a sharp edge.
• Neanderthals used tools of the Mousterian class, which were often produced using soft hammer percussion, with hammers made of materials like bones, antlers, and wood, rather than hard hammer percussion, using stone hammers.
• Especially in a specific function site, such as Legacy site a Late Woodland age camp in the Missouri breaks, associated with bison kill / butchering, the low frequency of cortex and a specific flake ratio ( G4 : Gl-3 ) data indicate that a soft hammer small flake tool production, which is similar with experiment result.