The Side Lying Clam and Book with the Exercise Band is derived from original Pilates reformer exercises. These exercises target the outer thighs and the buttocks to help lift your buttocks and keep you looking great in all the latest fashions! Make sure you adjust the band to get maximum range of motion AND maximum resistance given your strength -- and keep your hips stacked! Please visit http://www.PilatesOnFifth.com (for more info), http://www.UltimatePilatesWorkouts.com (for more videos) and http://www.Shop.PilatesOnFifth.com (for store).