By Sebastian Cork More and more people nowadays are beginning to realize the value and effectiveness of an abdominal exercise device known as the flex belt. The said equipment tool is referred to as one of the easiest ways to tone abs and make them look better and more attractive. If you're one of the few who haven't heard of it, then you should find some time to look it up on the internet. When you do, you'll be amazed at how popular the product is online and how many people are still placing their orders to give them the benefit of having very...