We’re willing to bet that most people get interested in the kettlebell for one reason: it looks damn cool.

A black cannonball with a cast-iron handle, no other training tool can match its old-school, back-to-basics appeal.

And while the cool factor is a good enough reason to start using one, there are many others that will inspire you to stick with kettlebell training long-term and make it a regular part of your workouts.

Whether you’re looking to get started with your first kettlebell tomorrow, or you want a quick refresher course on everything that makes kettlebells indispensable, look no further than the guide that follows, which covers everything you need to know to start making gains right away.