Polo - it's a game thousands of people watch, but rarely understand.
What we know is this: there are people who ride horses and hit a ball with something that looks a lot like a mallet.
What we don't know is why and what it all actually means.
Chances are you're probably going to the Land Rover NZ Polo Open in Clevedon this weekend without actually knowing what it all means.
Thankfully for you, The AM Show decided to fix that problem.
Jack Richardson and Marcus Beresford, also known as 'Jarkus', gave us the 101.
Here's what you need to know.
Watch the video.