Preparation method and device for Kung-fu training sandbag made by high-strength warp-knitted sandwich composite material

摘要: The invention discloses a Kung-fu training sandbag featuring texture and bone feeling of human skin having durability. comprises preparation method device. beaten material selected by the is novel high-strength warp-knitted composite with skin. An inflation layer arranged between sand container in middle material. When fist beater impacts fabric surface then gets touch container, may have beating bones so that an environment for actual combats created. Therefore, bionical significance bodies suitable troops, armed police, public security martial arts association.