When playing Rummy, observing your opponents is essential as it can provide you important insights into their strategies and assist you in making better decisions regarding your own hand. Observe whus refused visa slotsich cards your opponents are discarding and which ones they are pulling from the draw and discard piles. This can tell you which cards they are accumulating and possibly even attempting to form combinations. Make judgments based on strategy. You can learn more about your opponents' hand & make more calculated decisions about which cards to keep and which to discard by watching how they play.