Hey y'all,   I'm currently working on a mod that adds a bunch of equipable accessories to the game. I've put them all in their own creative tab, which works fine. The only thing I'm stuck on is the icon. I'd like it to be one of the accessories, but this creates a reference loop. I need to supply the custom ItemGroup to the Item when I register it: public static final RegistryObject<Item> SHACKLE = ITEMS.register("shackle", () -> new Item(new Item.Properties().