When the Kettlemans realize they’ve been used and threaten to expose Jimmy, Kim drops the "carrot" (a cash bribe) and uses the "stick": she blackmails them with a call to the IRS about their current tax scams.
Back in Albuquerque, Mike Ehrmantraut enters a tense standoff with Gus and Tyrus when he refuses to allow them to use Nacho’s innocent father as leverage. 'Better Call Saul' Season 6, Episode 2 Recap - Vulture
The episode's title refers to two distinct methods of manipulation used by the main characters:
This scene is widely cited by critics as a turning point for Kim, showcasing a newfound ruthlessness that surprises even Jimmy. The Nacho Varga Plotline:
