Hario Mini-Mill Slim Plastic Coffee Grinder - Whole Latte LoveHand powered and portable, the Hario Mini Mill coffee grinder is ideal for those who prefer their joe . Fine grind for espresso to coarse grind for French press.hario mini mill fines,Review: Hario Travel Coffee Grinders - CyclingAboutOct 6, 2011 . Both are small enough and are able to grind fine enough to produce a coffee . Mini Mill Slim – Travel, as a handhold grinder, smaller grinding.
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