The ability to block the discard pile when necessary is another crucial component of making good use of it. When you block the discard pile, you throw away any cards you tcasino games slots freehink your opponent might need to form sets or runs. You may undermine the plans of your rivals and improve your own chances of winning by blocking the discard pile. But, you should exercise caution when deciding when to block the discard pile because doing so might also make it harder for you to form important combinations with your hands.