- Double: a four-card major and a longer minor. Advancer can bid 2♣ to ask for the minor (pass or correct), 2♦ to ask for the major, or 2♥ or 2♠ to play.
- 2♣: Both majors. Advancer can bid 2♦ to ask which is better, so the overcaller's 2♣ bid can freely be made with 5-4 shape.
- 2♦: One major.
- 2 of a major: At least 5-5 in that major and a minor. 2NT asks for the minor.
- 2NT: both minors.
The convention has similarities with Multi-Landy.
Common abuses as described by Kit Woolsey include:
- 3-1-4-5 distributional hands in the balancing seat regularly double, even with no 4-card major suit.
- Strong hands, with 19 high card points plus, start with a double and then rebid 2 Notrump (or double) to try to expose a psychic bid.
- Good 4-4-4-1 distributional hands with a stiff minor suit can start with 2♣.
- Single-suited minor hands often start with double, hoping to be able to play at the two-level. These hands will pass a 2♦ asking bid.
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