Nut low locked + live high draw → pressure. Second low + dead high → fold to heat.
Nut low locked + live high draw → green light. Second low + dead high → brake.
'Freerolls are the green light' (stud hi-lo, G2): Stud hi-lo: scooping and freerolling beat split-hope. Qualifying lows matter — know whether an 8-low qualifies in your game.