If you use them too soon, your opponents may learn of your intentions and be able to modify their tactics accordingly. Also, think about using jokers both otdm slots are further divided intoffensively and defensively. Using a joker to finish your own melds when you see an opponent is about to declare with a strong hand can help you win by keeping them from reaching their objective first. By using this two-pronged strategy, you can both maximize the value of jokers & thwart your opponents' plans.