Imagine juggling, but manly.

Building muscle is pretty simple. Eat protein, pick up weight, put down weight. Do that a couple of thousand times, and soon, even the slightest flex of your bicep will have you splitting the sleeves off your dry-fit polo.

However, doing this over and over can get tedious. That may be why some people have decided to spice up the weightlifting game by starting a kettlebell juggling competition.

It’s pretty easy to understand how it works. Someone picks up a kettlebell, they bounce it around a bit, and if it’s entertaining and looks really, really difficult, they win.

Here’s what that competition looks like IRL: