Stomach & Waist Workout Board: This amazing company has sold $160 million in retail sales in just 6 years since airing on Shark Tank! Why…because trimming your waistline, strengthening your core and improving your balance has never been so fun and easy! Just step on & twist while watching your favorite shows, the twisting motion works your abs and obliques. Sold in 50,000 retail stores, it truly is a fitness game-changer!