Banana Bros

OTTO Grinder

OTTO has created something out of this world with the first and only automatic grinder sure to get you as high as the moon. Though it may look more like a high-tech gadget dreamed up by Elon Musk, this modern grinder is in fact a high performance smoking accessory engineered and designed by Banana Bros with the true cannabis connoisseur in mind.
OTTO’s patented AI milling system analyzes your flower and automatically adjusts the direction, speed, and pressure of it’s precision-engineered milling blades to create the perfect grind every time. Regular grinders compress and shred your material. OTTO mills your material in its expandable chamber, cutting it one layer at a time, to preserve the quality and structure of your material. Once milled to perfection, OTTO ensures the material passes neatly and evenly into any pre-rolled cone, delivering a superior consumption experience of intergalactic levels.

care & use

Wipe clean with a soft cloth as needed.


3.75" Diameter x 0.75" Height


  • Black OTTO includes:

  • - OTTO

  • - O-Tube

  • - Free Cone Starter Pack
  • - User Manual

  • - Accessory box (Measuring Cup, Adapter Base, Fresh Seal Tube, 4-in-1 Tool, Snap Cap, Micro Micros USB Charging Cord, Shorty Adapter Base)*
  • Handmade & Handcrafted

    Ethically Produced

    Amitha Collective Certified