RKC is an abbreviation for "Russian Kettlebell Challenge" or "Russian Kettlebell Certification" and refers to Dragon Door's 3-day kettlebell instructor certification workshops held all around the world. This challenging workshop teaches six main kettlebell lifts along with many other non-tested drills. Participants are required to pass technique tests, a teaching test, and a … [Read more...] about What does RKC stand for?