HIIT workouts are extremely effective for shedding fat and toning muscle. So how do you intensify an already awesome workout? Add a good ol’ kettlebell! Yes indeed! This workout from Bodyfit by Amy is a fantastic way to shed pounds and build lean, toned muscle through a routine of fast-paced moves. You can do this workout at any level, whether you’re a HIIT beginner or an old pro, and still get a great workout!