Here's an attempt to make it clear for those of us who aren't regular gamblers. When getting chips for OBC at the cashier cage, they give you chips that are clearly marked as PROMOTIONAL chips.  This is similar to the "free play" money you get on the slots on Royal -- you can play it, but you can't cash it in.... but you CAN cash in any winnings you get from the Free Play money. So if you get PROMO chips at the cashier's cage, and you split them up between you and your roommate, you can go