Scoring: IMP
West North East South
- - - 1♣
1♥ 2♦ Pass 2♠
Pass 3♥ Pass 4♣
Pass 4♦ Pass 4♥
Pass 4NT Dbl 5♣
Pass 6♣ Pass Pass
Pass
I must have missed something here, I was watching this hand on BBO today and I can not for the life of me see how they agreed clubs as a contract, can someone explain the conventions they were using
3 hearts alerted as strong
5 clubs alerted as 0 - 3 keycard