➤ MASSAGE WHEELS ★ Sit-ups are thickened with high-quality foam, and the middle massage wheel is creatively designed. After the exercise, you can use the massage wheel to r elax the leg muscles.. ➤ T-WISTING MACHINE ★ It is beneficial to increase the muscles of the lower back, which is beneficial to improve the toughness of the waist, tighten, beautify the abdominal lines and effectively massage the soles of the feet.. ➤ SUCTION CUP ★ Strong and stable suction cup, it will not move forward and backward firmly when running.. ➤ FOLD & INSTALL ★ Instantly folds, saves space, and moves lightly, especially for home use. Easy to install, suitable for all ages, rest assured to use.. ➤ CUSTOMER SERVICE ★ If you have any questions, you can contact us at any time, and we'll take care of it for you until you satisfied..