The fitness industry is no stranger to gadgets and gizmos that promise amazing results, which can only be achieved when using these products. Restrictive breathing devices utilized a well-implemented marketing strategy by employing elite athletes to promote the products, and convincing prospective customers into believing that with the help of these products, those athletes were able to exponentially increase their cardiovascular endurance and similar results can be achieved by the public. In all likelihood, it was the years of discipline and commitment to training that propelled the elite athlete to excel.