By now it's hard to ignore the fact that kettlebells are everywhere, and it seems like they are here to stay. Whether you've simply been curious about these interesting looking weights or picked them up at the gym only to realize you have no idea what you're doing... it's time for you to jump on the bandwagon. While it's easy to see that these cannonball-shaped weights are super popular, the reasons why kettlebell training is effective may not be so clear to the average gym member. However, there's absolutely no reason to be intimidated by their strange shape and varying sizes! In fact, once you discover all their secrets, you're sure to be a fan.