Compound exercises are the secret sauce to having a quick and effective workout. Simply put, these supercharged moves are two isolated exercises that join forces to become one amazing exercise that engage multiple muscle groups at once.
Ive used it before and it does exactly what its supposed to do. It built my ABS and got me back to where i was in high school which is exactly where i wanted to be. And if it works for me then it can work for you too. Great way to build the ABS you want.