“I work in film production and as luck would have it, I was hired onto a two-month gig on a TV show. Given the hours we work, I knew it would be impossible to do any kind of “real” training program. So, I wrote up a press program that I could complete during our lunch break using a single kettlebell,” writes John Spezzano, StrongFirst Certified Senior Instructor who proceeded to easily added 4kg to his one-arm press in eight weeks training with one medium kettlebell.