AB Fast System provides the best way to work out including crunches and other exercises without any pain. It helps in flattening and toning the abdominal parts of your body. It provides the strength to your body making your muscle and abs stronger than never before! The product also allows you to do leg lifts, reverse crunches, knee lifts, Ab fast in order to get you great results on your abs. Spare of 6 minutes daily will help you get sexier and tightest abs as never before.