Gin–Rummy Playing Tips. Be the first to knock. Form triangles in your hand. Draw from discard only for melds. Middle cards are better. Don't wait for a card inside straight. Throw the big cards early. Knock as soon as possible. An undercut is better than getting ginned.
(Also take a look at the discussion of purely offensive gin rummy strategy and typical hands); No player will play the same kind of game consistently; Players use .