Otto Mill & Fill Grinder

Otto Mill & Fill Grinder

  • Height: 9.5 inches
  • Banana Bros Grinder
  • Patented Design & Function
  • No Assembly Required
  • Tap Once Lightly To Grind
  • Rechargeable Ion Battery
  • Great For Users With Finger Or Hand Disabilities
  • Includes Circular Tray Base And USB Charger
  • Aerospace Engineered Aluminum Milling Plates
  • O-Tube Sachet and Cone Holder
  • O-Funnel
  • 20 Free Banana Bros. Premium Cone-Shaped Sachets
  • 4-in-1 Cleaning Tool
  • USB Charging Cable
  • Measuring Cup
  • Snap Cap
  • Weighs 10.9 Ounces
Out Of Stock
  • $150.00 $119.99


The OTTO™ by banana bros.™ is the first ever all-in-one smart electric grinder and rolling machine, capable of finely grinding your dry herb and rolling the perfect joint in mere seconds. Boasting patented SMART technology, the OTTO grinder senses the consistency of its contents and automatically adjusts its movement to deliver the perfect grind. This hybrid automatic grinder and joint roller comes with 20 all-natural hand-rolled cones featuring wider lips for efficient filling and a slow burn. A fresh seal cone tube contains odors and delivers even and spill-free filling. Combining the speed of an electric grinder with the efficiency of an automatic joint roller, the OTTO allows you to mill and fill your dry herb at the touch of a button.


Seamlessly integrating grinding and rolling for a more streamlined experience, the OTTO grinder creates perfectly rolled joints filled with finely ground bud in just seconds. Rather than rely on a number of devices to prepare your joints, you can do it all in one fell swoop with this compact, travel-friendly device. You can charge up from USB from almost anywhere, and easily prepare joints from wherever life leads you. Featuring a sleek and functional design with a simple single button control, the OTTO by banana bros. makes rolling easy so you can take it easy.


Equipped with a spring-loaded grinder that mimics the gestures of the human hand, the OTTO delivers the perfect grind every time. As herb is shredded, this automatic grinder adjusts its grind according to granule size. Material is quickly ground down to the perfect consistency and automatically loaded into a premium cone. Engineered for efficiency, this heavy duty electric grinder features high-grade metal teeth arranged for maximum grinding.


Designed to expedite and optimize your rolling, the banana bros. OTTO can create 20 to 30 finely rolled joints per full charge. Stock up on joints or roll them on-demand with ease. An o-funnel ensures each joint is run-free and rolled for a slow, even burn. A fresh seal cone tube is designed for precision filling with a transparent look for watching joints fill to perfection. The OTTO automatically grinds and rolls herb all at once and at the push of a button.


The OTTO comes with 20 premium cones made of 100% all-natural raw fiber that is free of GMOs, chemicals and animal products. Each cone delivers a slow, even burn with natural flavor, aroma, and effects. A wide lip ensures every cone is filled to the brim, while a sturdy hand-rolled design stops joints from bending or running to deliver the best airflow and burn. Expect full-bodied, flavorful and potent rips every time.


Engineered for function and efficiency, the OTTO grinder features an easy-to-use design for fast, efficient performance. Simply open the chamber using the side button, fill it with dry herb, and snap it shut. Now load the fresh seal cone tube with an empty cone. The grinder attaches to the cone tube via convenient magnetic connectors. Hold the power button until it lights up, then press it once to begin grinding. Your herb will be finely ground and loaded into the cone in swift succession.

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