Minecraft Forge 1.8-11.14.0.1290 - An example of how to instantiate and register items and use them in crafting recipes http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/modification-development/2384674-minecraft-crashing-due-to-crafting-recipe-even

ModItems.java

public class ModItems {
	public static BladedWrist goldBladedWrist;
	
	public static void initItems() { // Call this during preInit
		goldBladedWrist = new BladedWrist(Item.ToolMaterial.GOLD); // Instantiate the Item
		GameRegistry.registerItem(goldBladedWrist, "bladedWrist"); // Register it with FML
	}
	
	public static void addRecipes() { // Call this during init
		GameRegistry.addRecipe(new ItemStack(goldBladedWrist), // Use existing instance of BladedWrist
						"   ",
						" A ",
						"ABA",
						'A',
						Items.gold_ingot,
						'B',
						Items.stick);
	}
}