public void addInformation(ItemStack stack,
            EntityPlayer player, List list, boolean par4)
    {
        super.addInformation(stack, player, list, par4);

        if (stack.stackTagCompound != null)
            list.add("Contains: " + stack.stackTagCompound.getString("Entity:").substring(0, stack.stackTagCompound.getString("Entity:").length() - 3));
    }