One of the most troubling and least exercised muscle groups is the glutial muscles. The gluteus maximums, minus, and medias are the three muscles of your buttocks. For lean, tight and shapely gluts (buttock muscles) you must isolate and contract the muscles to target them effectively. By laying on your back and using the Body-Wheels Total Body Workout System, men and women alike can now focus on that hard-to-target muscle group easily and effortlessly. Shape your legs and buttock muscles all at one time. A tight, shapely toned buttocks is now attainable anywhere, any time with this simple yet highly-effective exercise. Have fun while creating the buttocks that will make you the envy of all who will notice, a tight, well-defined rear end. Body-Wheels the ultimate Butt Shaper.