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  • Catalogue
    • Waterpipes
    • Quartz, Titanium and Ceramic nails
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    Banana Bros. OTTO Grinder – Electric Herb Grinder

    OTTO grinder is one of the best portable electric herb grinder. More dry herb grinder online, from glass pipes to vaporizers. The OTTO™ by banana bros. is the first ever all-in-one electric grinder and roller. Electric herb grinder.

    How to use OTTO Grinder

    Electric herb grinder features

    • All-In-One-Tool
    • Grinds Herb and Rolls Cones Rapidly
    • Rolls 20-30 Cones Per Charge
    • Patented SMART Grinding
    • Automatically Adjusts Grinding Based on Material
    • Fresh Seal Cone Tube
    • Odor-Proof
    • Premium Cones
    • Spill-Proof O-Funnel
    • Sleek, Functional Design
    • Magnetic Connections
    • Simple Controls
    • Rapid USB Charging
    • Dimensions: 2.5 x 7 x 11.5 in.
    • Weight: 1.28 lbs.

    Banana Bros OTTO grinder review / electric herb grinder review


    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 cone 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 rolling machine 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 roller, the OTTO allows you to mill and fill your dry herb at the touch of a button.

    ALL-IN-ONE Dry Herb Grinder

    Seamlessly integrating grinding and rolling for a more streamlined experience, the OTTO grinder creates perfectly rolled cones filled with finely ground bud in just seconds. Rather than rely on a number of devices to prepare your cones, 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 cones 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 cones per full charge. Stock up on cones or roll them on-demand with ease. An o-funnel ensures each cone 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 cones 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 cones 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.


    • 1 x banana bros. OTTO Grinder
    • 1 x Fresh Seal Cone Tube
    • 1 x Extra Seal
    • 1 x Cleaning Brush
    • 1 x USB Charging Cable
    • 1 x Cone Retention Straw

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    ROBOTS! They’re coming. Not much we can do about it. So why not have them roll us some joints??

    That’s exactly what the folks at Banana Bros. must have been thinking when they invented this awesome weed gadget. It’s the OTTO Smart Grinder & Rolling Machine, the first ever all-in-one electric smart grinder and joint rolling machine.

    Touch a button and OTTO senses the consistency of its contents, automatically adjusts to perfectly grind your dry herb, then transforms it into a perfect cone in mere seconds. Just don’t make OTTO angry. That’s when the laser cannon boots up and zaps your neighborhood into a barren wasteland dystopia. (But honestly even if that happens, you’ll be puffin on the perfect robojoint, so it’s totally chill)

    This travel-friendly automatic grinder & joint roller has a USB port for easy charging, and it can grind and pack 20-30 beautiful cones on a single charge. Of course in the future, autonomous electric smart-grinder robots will harvest their energy from the brainstems of human slaves. But for now, USB.

    A cool transparent chamber lets you watch your joints get packed to perfection. It even comes with 20 all-natural premium cones to help get the party started.

    Now despite any (well-founded) concerns you might have about OTTO becoming sentient and blood-thirsty, it really is a super awesome weed gadget. Just imagine dropping dry bud in the top and having a perfect joint pop out at the press of a button! Geeky weed dreams DO come true!!

    Robots are coming! Might as well have them roll us some joints – with the OTTO smart grinder & rolling machine.