With its advanced 360° movements and smartphone directed workouts, the Rolling Ab Exerciser with Smartphone Dock is the world's most complete ab exerciser ever invented. Ordinary ab rollers have two directions - forward and backward. By replacing the roller with a nylon resin rollerball and 460 ball bearings, you get 360° movement and unlimited ways to focus on your core and upper body muscle groups-especially your 6 major abdominal muscles. Mount your smartphone and let the free app guide you through live training ranging from beginner workouts to advanced ab routines, allowing you to achieve maximum results in minimum time.
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