I've got two or three at the moment, and you can bet I'll be futzing with them! Even though it might not be absolutely productive in terms of creating the cleanest signal path, I have found that testing such things can lead to helpful insights and sometimes very pleasing results.
Bob, you should try my suggestion to use two digital cables as ICs, and let me know what happens. I love common sense creativity in this hobby, as it can sometimes pay off big dividends!