Inadvertently helping yourself to a combination, you could cause other players to pick up that card because you are giving the impression that you are noyono rummy apkt interested in it. Another way to bluff is to purposefully keep some cards unplayed for a long time to give your opponents pause and raise doubts. As a result, you may have a strategic advantage over other players by making it harder for them to determine which cards you are trying to collect or discard.
