Five-card majors for offensive purposes. However, if the trump cards break 4-1 or 1-4, then drawing trump will result in no trumps left for offensive purposes. The value of five-card majors can be understood then on two levels: But five-card majors have several drawbacks: Both partners must agree to follow the five-card major bidding treatment on their opening bid. Opener must have at least five cards in hearts or spades to start the bidding with that suit. Responder is expected to show support with three-card support, indicating an eight-card fit. With only four cards in a major suit, the opening bidder is
Bidding box boxes has several advantages over oral bidding: Each player selects a card from the bidding box at their turn to make a call, and places it in front of him. To make a bid, the entire remaining stack below and including the desired bid card should be pulled out, e.g. when bidding 1, the 1, and 1 cards are taken out at the same time in one bundle (unless they have already been used in that auction), but this bundle of cards is kept together so that the topmost one (the desired bid) covers the others. Pass, Double, and Redouble