All of the X-centric methods are great for packing on mass, but they also activate extra fat burning. (ironmanmagazine.com)
The Carb Back - Loading diet could provide the Holy Grail of packing on mass without adding fat. (carbbackloading.com)
My guess is that you're currently busting your ass on the flat and incline bench presses, pressing the bar up in the air from mid-chest level, in an attempt to really pack on some mass to your pecs. (hardgainermusclebuilding.com)