When playing Rummy, it's crucial to watch your opponents' movements. It's possible to learn important information about which cards are still in play by keeping an eye on the cards your opponents are picking upr rummy and discarding. This can assist you in choosing the right cards to keep and discard in order to create sets and sequences. Also, studying the movements of your rivals can provide you with understanding of their tactics, enabling you to predict their next moves and modify your own approach appropriately. The ability to identify patterns in the behavior of your opponents is a crucial component of watching their moves.