It's done by combining two of the best biceps exercises in existence into a single killer set! (hardgainermusclebuilding.com)
Just turn on the option in the Start Killer settings. (startkiller.com)
Amidst a sea of masked, hooded and arms - bearing killers we set our sights on five individuals whose paths unexpectedly collide while trying to escape the mayhem. (rowthree.com)