In other words, we're talking primarily about small pairs ( 2 x 2 x up to 6 x 6 x) and medium pairs ( 7 x 7 x up to J x J x) and not queens, kings, or aces. Set mining refers to the practice of playing a non-premium pocket pair passively preflop in the hopes of flopping three of a kind (a 'set').
Continuing our series of no-limit hold'em tips, we turn to the topic of ' set mining.'