1♡ – (1♠) – x

1♥ – (1♠) – x

N
W   E
 
S
♠ 7 6 2
♥ Q 6
♦ K 9 7 3
♣ K J 6 4

Dealer:

West

W N E S
1♥ 1♠ Double

When opponents bid 1♠ over opener's 1♥, a double shows exactly 4 cards in both minors and 8+ points. We need extra points because we would have needed to bid the minors at the 2-level.

If we have only one 4-card minor, we bid it. If one of our minors is 5+ card, we bid it.