Nonetheless, the essential ideas are still the same. Players alternately draw and discard cards in an effort to get better hands while watching what their rivals do. Any asprummy aaliring player must comprehend the subtleties of these regulations. A further layer of strategy is added to the game in certain versions, where players can "knock" when they think their opponents have a higher total value of unmelded cards than they do. A winning mentality is essential in rummy because it affects choices and gameplay in general.