With just one of these, the "Universal Neck Connector Parts" ^o^ allow you to attach any doll head to the DD series body! Pyo! Compatible with everything from DDH series optional heads to SD and other cast dolls, Obitsu, PARABOX, Angel Philia, and various overseas heads like imomodoll and Tinyfox. 【Currently in stock are the following Pyo】 We have MDDf3 size, DDf3 size, and MDD2.0 size in stock. Immediate purchase is OK, but after purchase, please contact us via message to let us know your desired product size. The MDDf3 size, which was out of stock, has arrived!! Also, if you want to attach a head other than DD to a DD body, using thick Kips will close the hole and be convenient. We have just added thick Kips to our stock. As shown in the product image (the part in the upper center of the first image), we have added it as a new product. Our Hiyoko-tsuhan (online store) has obtained copyright permission from the creator, so please rest assured. In addition, the parts above the spring, which our Hiyoko-tsuhan specially provides, are limited edition special order items from our store. The shop owner is a self-proclaimed Hiyoko salaryman and usually works at a company during the day, so please understand that replies may be delayed. 【Sizes】 MDD→MDD DDP→MDD DD→DD DDS.DDdy.DDBS.DDB→DD 【Features】 ●With just one piece, you can attach most heads to a DD body without replacing the neck joint! ^o^ ●The shaft is thin and made of a sturdy material, so you don't have to worry about cracking. ●It will hardly wobble (Due to the shape, we cannot guarantee 100% secure fixation, and it may be difficult to set it up securely if there are fewer places to bite into). ●You can arrange a wide variety of poses, such as looking up, down, or tilting the head, and the range of poses expands even for heads other than DDH. 【Caution】 Do not move it forcefully, as excessive force can damage the parts. 【Confirmed Heads】 VOLKS cast doll heads (SD.SDM), Obitsu heads, imomodoll, Tinyfox, 真实末日, ZAZ不困, and other cast dolls and dealer heads, etc.