The main purpose of blackjack is to get the card values and get close to 21. You can decide to click Hit. You can get 5 cards which are known to be ‘5 cards Charlie rule’. At some blackjack table, if you withdraw 5 cards and the value is still lower than 21, you win automatically regardless of how much the dealer has in their hand. To make sure that the online casinos still accept them in their gameplay.