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 Tummy Twister: 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