How to pronounce “grinds”(noun) in English

Alon: But sorry, Australia is -- this guy created, on his own, espresso machine that has six group heads. And he's got six grindersto go with it. So they doesn't want to mix up grinds and group heads. He's got a grinder for every group head. The guy is a real hacker when it comes to coffee machines. He's ProudMary Cafe in Melbourne. Sydney is pretty good, too. So everywhere in Australia. So there are two kinds of countries in the world. Those