With just one of these, you can attach any doll head to a DD series body! It's the "Universal Neck Connection Part"! ^o^ Pyoo! Compatible with everything from DDH series option heads to SD cast dolls, Obitsu, PARABOX, Angel Philia, and even overseas heads like imomodoll and Tinyfox! 【Currently in stock are the following Pyoo】 We have MDDf3 size, DDf3 size, and MDD2.0 size in stock. You can buy it immediately, but after purchase, please let us know your desired product size via message Pyoo. 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 inventory. As shown in the product image (the part in the center of the top row of the first image), we have added it as a new product. Our shop, Hiyoko Tsuhan, has obtained copyright permission from the creator, so please rest assured. In addition, the part above the spring, which our shop Hiyoko Tsuhan specially provides, is a limited edition made to our specifications. The shop manager 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, you can attach most heads to DD bodies without changing the neck joint! ^o^ ● The shaft is thin and made of a sturdy material, so there's no need to worry about cracks. ● It hardly wobbles at all (depending on the shape, we cannot guarantee 100% secure fixation; if there are fewer places to insert, it may be difficult to set it up securely). ● You can arrange a variety of poses, such as looking up, looking down, and tilting the head, expanding the range of poses even for heads other than DDH. 【Caution】 Please do not move it forcibly; excessive force can cause the parts to break. 【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.