During the auction, the players are screened from each other – no eye contact, and the screens extend to the ground. https://en.wikipedia.org/wiki/Screen_(brid

During the auction, the players are screened from each other – no eye contact, and the screens extend to the ground. https://en.wikipedia.org/wiki/Screen_(bridge)#/media/File:BridgeScreen.svg https://en.wikipedia.org/wiki/Screen_(bridge)#/media/File:Br... Also, verbal communication is banned. All bidding is communicated through the use of bidding boxes: https://en.wikipedia.org/wiki/Bidding_box https://en.wikipedia.org/wiki/Bidding_box which both provide an unambiguous record of the auction and remove the need for players to say anything.