Ya’ll should know by now that you cannot increase bust size by exercising. But that doesn’t mean that Easy Curves bustline firmness program is a scam. By using the resistance bar for at least 5 minutes a day, you can firm up the chest muscles under the bust. This naturally leads to fuller looking breasts and better lift. This simple exercise method is certainly worth it. I have read some reviews that say you can get similar results using dumbells. But we all know that having a clear exercise program with easy to use equipment can make the difference between another broken New Year’s resolution and fitting into that bathing suit you have been eying. So what are you waiting for?