It has five strong, well-calibrated springs that are good for exercising your abs, reducing waist tummies, and strengthening your arm muscles. Its foot and arm handles are well contoured for comfortable use. Exercise away unwanted inches in a workout that takes just a few minutes each day and get that delightful figure you have always desired. Enjoy the flat, firm stomach you have always wanted. This tummy trimmer is ideal for trimming and strengthening your arms, legs, hips, and thighs.