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Needle machine with triangular section or other shapes, and with a barbed hook at the edge of thorns fiber network repeated punctures. Consists of a cross into the net or Air lay bottom webs, feeding when acupuncture is very fluffy and is generated by fibers and fiber cohesion between certain strong, but the strength is poor, when several barbed needle into the fiber network, the needles on a barbed hook will move the fiber mesh surface and sub surface of fiber