Like Mr. Powers says, it is more of a "controlled slack with some tension". Very similar effect to back-reeling LMB. Amazing how they stop "kicking and screaming" if you don't bully the fish...Many a LMB has been "led" around dock pilings on light line and brought to hand using the technique.
Listen to the Ditch Wizards here, fellows. A lifetimes worth of info has been given up. Thanks guys.
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Thomas Paine