PDO Threads Cara MULTI SCREW Thread, are threads that are produced very carefully by specialized factories that mix in the lands of Korea, Japan and Germany. Thanks to the concentration of experienced producers, at every stage in the production of such threads, the effect means that we are dealing with the highest quality of the product. Multi screw threads are two spirally twisted threads that are wound on a needle. Thanks to this arrangement, the thread is screwed into the tissue during the procedure in a similar way to screwing in a screw. Thanks to this, we can achieve the effect of raising the skin or subcutaneous tissue.