The circular motion of the bases offers many exercise possibilities, focusing on different muscle groups each time. The ease with which you can change the way you grip the handles is characteristic, unlike other products on the market that require you to lift in order to reposition the handles. Excellent quality as the handles are made of steel on the inside and there is no chance of them breaking during exercise. On the outside, there is a rubber coating that prevents hand slipping. The exercise it provides is effective because it allows for the rotation of the hands during it. Within a few days, you will see visible results in the chest and triceps area. In short....the best way to do push-ups...