♠AKxx
♥Jxxxx
♦KQx
♣Q
1♠ 2♥
4♣ X Pass
4NT 5♣
5NT ???
You play specific Kings. Redouble after the double should mean holding a first round control of clubs. 4♣ by partner should be a splinterish support for hearts, though he might be creative (or you wrong).
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