What would be a good way to use my kettlebells (20kg pair and 24kg pair) to build strength and muscle mass? I use them in my conditioning circuits, but I would like to know how to use them to build strength. Should I do 5 sets of 6 exercises (squats, cleans, presses, etc.) with 45 sec work 15 sec rest with 1 min between sets? Or is that too many reps and more conditioning than strength work? Do you guys know of any good kettlebell strength building programs?