Nomad Madscad Auto Tune Sinking 190The Madscad 190 Autotune (AT) will change the way you troll forever. Capable of trolling speeds between 3 18+ knots, with a shallow diving depth of 1 3 ft and an incredible side to side action, the Madscad 190 AT is unlike any other trolling lure. The unique action and incredible troll speed is due to the Patented Autotune System that allows perfect balance to create maximum troll speed and huge action, the Madscad 190 AT will entice bites when other