With just one of these, you can attach any doll head to a DD series body! It's the 'Universal Neck Connection Part'! ^o^ 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, Pyo! 【Currently in stock are the following, Pyo!】 We have MDDf3 size, DDf3 size, and MDD2.0 size in stock. Immediate purchase is okay, but please let us know your desired product size via message after purchase, Pyo. 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 make it convenient. We've just added thick Kips to our stock! As shown in the product image (the part in the top center of the first image), we've added it as a new product. Our shop, Hiyoko Online, has obtained copyright permission from the creator, so please rest assured. Furthermore, the part above the spring, specially provided by our shop Hiyoko Online, is a special limited edition item. The shop manager is a self-proclaimed salaryman who 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 almost any head to a DD body without changing the neck joint! ^o^ ● The shaft is thin and made of a solid material, so there's no worry of cracking. ● It hardly wobbles at all (due to the shape, we cannot guarantee 100% secure fixation; if there are fewer places to grip, it may be difficult to set it up securely). ● You can arrange a variety of poses, such as looking up, down, or 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 part to break. 【Confirmed Heads】 Volks cast doll heads (SD.SDM), Obitsu heads, imomodoll, Tinyfox, Real Apocalypse, ZAZ Bunkun, and other cast dolls and dealer heads, etc.