lusoeng is one of the tools used to soften foodstuffs such as cassava, dried chilli, nuts, and others.
but unfortunately, now lusoeng is very difficult to find because there are already very sophisticated tools that people use to replace lusoeng like Blender..
therefore it is better if we keep the objects that our ancestors used well.so that later our grandchildren can also use the tool and keep it up to the next generation...
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From @vinasteem