Rumble Jar: Quart size (32oz), includes Mason jar

Loose Leash Coffee Verified independent store

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Now you can make barista-quality cold brew coffee at home. Rumble Jar is an award-winning cold brew coffee maker, designed to work in tandem with the classic Mason jar. This 4-piec e brew kit is all the equipment you need to make professional-grade cold brew coffee right at home. Just take your favorite coffee beans, grind them coarsely, add tap water and give it a rumble. Total prep time takes less than a minute, and by the morning you'll have delicious cold brew coffee ready to drink. Show more