The free card is a simple and effective move that incorporates the use of the semi-bluff and the check raise. To extract more money from your opponents.There are two main reasons for using the 'free card' in your game. For example, if you and your opponent are in a pot and you are first to act, by checking you are giving your opponent the opportunity to see a 'free card'.
The free card is a term used in poker for when you or your opponent are able to see the next card without having to call a bet.