public void onEnable()
	{
		ModeCheckManager.init(this);
		getCommand("debug").setExecutor(this);
		getServer().getPluginManager().registerEvents(this, this);
		ItemStack is = new ItemStack(Material.PISTON_HEAD);
		PistonHead ph = (PistonHead) is.getData();
		ph.setShort(false);;
		is.setData((MaterialData) ph);
        NamespacedKey isk = new NamespacedKey(this, "piston_head_key");
        ShapedRecipe isr = new ShapedRecipe(isk, is);

        isr.shape("...", ".D.", "...");
        isr.setIngredient('D', Material.EGG);

        Bukkit.addRecipe(isr);
	}