Sleek and ergonomic, the OTTO™ by banana bros.™ transforms dry herb to cone in mere seconds. Able to grind and pack 20-30 cones per charge, this device automatically and evenly fills & storage.

  • Mill & Fill At The Touch Of A Button
  • AI Adjusts The Direction, Speed, & Pressure
  • Even Grind Prevents Air Pockets & Runs
  • Grinds & Packs 20-30 Cones Per Charge
  • Compatible With All Short, Standard, Or King-Sized Cones
  • Includes 20 Free Cones

Employing their own innovative Artificial Intelligence grinding technology, the OTTO has grinders been engineered with a spring-loaded grinder that mimics human hand grinding gestures, allowing for its content to be ground to uniform perfection.

Looking for a refill on cones? Get OTTO-compatible cones here.


  • Dry Herb Accessory
  • Joint Roller
  • Made for Dry Herbs
  • Carry it anywhere!
  • Highest Quality Materials
  • Rolling Machine


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