1. What's the difference between an RKC and HKC certification? The RKC (Russian Kettlebell Challenge) is the gold standard kettlebell certification from Dragon Door - this very difficult but extremely rewarding 3 day workshop requires a lot of preparation, physical and mental tests, not to mention a good deal of strength and endurance. The 6 core RKC exercises (swing, clean, … [Read more...] about RKC vs HKC, Adrienne’s Weird Hair, Bacon