Olofly (US): Now Selling at $19.99 The Tsunami Magnetic Dugout With Grinder is ready to become an undividable “travel buddy” device for your smoking journey. It is designed with a lightweight and portable aluminum dugout system, including a grinder, one-hitter, herb storage, and ashtray. Magnetic closures on both the lid and the grinder keep all contents safely inside while preventing smells from escaping. That means you won’t have to deal with any difficulty or mess anymore.