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Grinder Amsterdam
The Grinder Amsterdam, also sold as the Amsterdam Jack, is a manual herb grinder made of two halves whose teeth interlock. Dry herbs go in between, the halves close, and a few back-and-forth turns do the work: the teeth cut the material apart rather than crushing it, which keeps the texture even and leaves most of the volatile oils where they belong. Compact enough to carry.
Grinder Amsterdam – manual herb grinder with interlocking teeth
The Grinder Amsterdam, also sold under the name Amsterdam Jack, is a manual herb grinder made of two halves whose teeth interlock. Dry herbs go in between, the halves close, and a few back-and-forth turns do the work. It is compact enough to carry about.
Why grinding beats crumbling by hand
Crumbling by hand does two things you would rather avoid. It compresses the material, so the texture ends up uneven and clumps remain that burn or vaporise at a different rate from the rest. And a share of the resin stays on your fingers instead of in the product. A grinder cuts rather than compresses: the teeth pull the material apart along its natural break lines. The result is an even texture that heats at the same rate throughout, which is precisely what separates a consistent burn or vaporisation from an inconsistent one.
Getting the most out of it
- Do not overfill: the teeth need room to pass one another
- Turn back and forth rather than continuously one way — it grinds finer for less effort
- Dry material only: damp herbs cake up and jam the teeth
- Clean regularly, since residue between the teeth makes turning heavy
For a different size or finish, the dimensions are listed across the grinders category. In the same vein, the Grinder Mascotte Hemp is an alternative. Shipped from Belgium throughout the Benelux via plantandflower.be.
Is the Grinder Amsterdam suitable for beginners?
Yes. There is little to get wrong: fill, close, turn, open. The two things that go wrong on a first attempt are overfilling and turning continuously in one direction. Fill it halfway and turn back and forth, and it runs light with an even result straight away.
How is the Grinder Amsterdam cleaned?
Tap it out first, then brush the teeth with an old toothbrush or a stiff paintbrush. Where sticky residue has built up, use a degreaser or orange oil and dry it fully afterwards. Do this before turning starts to feel heavy, because accumulated residue is considerably harder to shift.
Can damp herbs go in it?
Better not. Damp material smears rather than breaking, sticks to the teeth and fouls the grinder. Let herbs dry properly first; they then separate along their natural lines and leave almost nothing behind inside the unit.
