4BBB should be the same as normal, both players play and best nett score (or points) from the two of you goes on the card. You can give advice to each other, and you can also play out of turn, so long as it is your sides turn. e.g. your partner has a 3 footer for 2 points, you have a 20 footer for 3 points, and its your putt next. You can let him try to get the 2 points so you can have a run at the 3 without worrying about a 5 footer coming back.