Tummy Trimmer & Hand Gripper in One:The ab exerciser Targets specific muscles of your body to build your fitness. Rowing movements of this exerciser trims and tones your abdominal muscles and strengthens your arms, legs, hips and thighs. It burns extra calories, melts away your Abdominal fat around your waist to give you a flat and firm stomach. The exerciser also functions as a hand gripper. Grip the inner handle and pull. It exercises your arms, wrists, fingers, forearms simultaneously Waist Twister Excercise boost your metabolism.Best moves for a slim waist. The Steel Coil Spring Bar Creates Resistance On Every Pull Making You Work and Perspire More. With Contoured Foot Pedals for Better Grip on Sole and Easy Grip Handles.The Steel Coil Spring Bar Creates Resistance On Every Pull Making You Work and Perspire More. With Contoured Foot Pedals for Better Grip on Sole and Easy Grip Handles. Portable Fitness Equipment: The ab exerciser is portable fitness equipment that can be used in your home or gym comfortably. It comes fully assembled for immediate use. The steel springs can be removed easily and put back on the expander. It is beneficial for beginners and advanced users