sounds pretty good caveman, but the OP was asking about BEEF RIBS
my wife does in a crockpot from time to time that are very tender. She just puts crock pot liner, black pepper, garlic & onion powder and a cup of water with a beef bullion cube, turn on low for 8-12 hours ... tender beef ribs while you are at work. I prefer to smoke them for a few hours, low and slow, then her put in the crockpot to actually cook (lazy side of me).