This is designed more specifically relates to a joint assembly is coupled so that the natural hair extensions for a variety of production Moe may be combined into a joint, but the adhesive applied to the simulated one end closing member prevents the joints simulated by leaving for a long time use or external pressure so as to form a secure bond with the high-temperature heat treatment process increases, bending the inner periphery of the winding ring and as along as the absence of forward more strongly compressed natural idea when pressed to prevent the separation of the natural parents and joints on both sides of the head assembly and finish the cut ends of the joint head assembly formed by a plurality of elongated body member between the rear face contact with each other can be prevented from leaving the joint angular finish with a side direction is formed which can be improved by being fixed coupling of natural wool and hair by adopting the joint assembly of the appropriate size to reduce the procedure time and the procedure when the procedure is airborne as the joint head relates to an assembly. ; To this end, devised by nature Moe combined in the joint head assembly to extend the length mock nature, the joint head assembly joints are continuously arranged along the horizontal direction Mo; The joint simulation with adhesive closure member is coated on the inner surface joints once a certain length simulated transient contact with parents and joint cover jimyeo be combined so that one is fixed; The closure member coupled to the outer surface of the predetermined distance is arranged and curved such that the natural angular receiving ring to the inside, the nature Moe joint head assembly as crimp fixing; comprise a
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