North-South are very aggressive openers in a precision context.
1♠ = 9-15 HCP
South needs at least 8 HCP to respond.
T1: ♠2 - Q - K - 3
T2: ♠10 - A - 2 - 6
T3: ♥K - 2 - 4 - 9
T4: ♥5 - 6 - J - 10
What do you do at T5?
Benefits include:
Plus... it's free!