Observing the moves of your rivals is another way to sharpen your rummy skills. You can learn a lot about their hand and modify your own strategy by keeping an eye on the cards they aslots yoyore discarding and picking up. This will hinder your opponents from forming sets and runs & help you form them more successfully. Being aware of which cards have been discarded is another way to advance your rummy skills. You can learn which cards to avoid and which ones are safe to take from the discard pile by keeping track of which cards are no longer in play.