automatic weed grinder

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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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    The 6 Best Electric Grinders to Evenly Cut and Dispense Weed

    Electric weed grinders aren’t as common as manual grinders, but they’re handy as hell.

    Manual weed grinders are a dime a dozen. Some of them are pretty crappy, some of them are nearly perfect, and all of them require you to physically move your wrists and hands in a twisting fashion to activate the blades. Human error worms its way into the process. And for some, that dexterity just isn’t possible. The electric weed grinder category is more niche, and it isn’t exactly abounding with options (unless you want to sacrifice your coffee grinder or actual herb grinder to the cause, and get it sticky with resin in the process). But it leaves less room for mishap and can be easier to use. Besides, the weed itself will grind more uniformly.

    There are three crucial features to keep in mind when looking for a good electric grinder: its energy source, its storage capacity, and its shape. Below, you’ll find six grinders that are all great, but that are also all tailored to a slightly different need. Pens are more subtle, rechargeable batteries ensure longevity, more expensive grinders have smarter blades, larger storage chambers keep you supplied for more sessions, and so on. But once you pick one, smoking, vaping, or otherwise ingesting weed becomes all the more enjoyable.

    On a final note: Always keep in mind from whom you purchase your weed, as it really does matter. Responsible cannabis players pay tribute to the minority communities unfairly targeted by the war on drugs and then left out of the cannabis boom. Buy where it counts.

    This is an inexpensive and tactile grinder that you’ll be able to operate with one hand—slicing and finely dicing the weed, dispensing it neatly, then storing the extra for a later session. Though it is technically portable, the shape and the required 9V battery might be detractors when it comes to going mobile.

    Bear with us. Though it’s technically a tobacco shredder, it’s gotten praise for shredding weed too, particularly from medical marijuana users or users with less hand dexterity than they used to have. It’s basic, much like a small coffee grinder, but it gets the job done.

    This is the best, budget-pleasing, pen-shaped electric grinder you’ll find. The blades are strong, sharp stainless steel (you can watch them work through the window in the pen’s cap). After grinding, the pen stores excess and dispenses it when you need it through a narrow nozzle. A rechargeable battery seals the deal.

    A twofer of a grinder, this pen features a manual grinder on one end—so yes, you’ll have to move your wrists—and a storage container on the the other. Take it with you, and when you want to partake in some ground weed, press the (electric) dispenser button. It’ll deposit just enough. It’s also modular, transforming into bigger or smaller pens to suit the day’s needs.

    Made from stainless steel, this pen-style grinder has some heft to it, but it’ll last a good, long while. The blades thresh through dry herb at the push of a button, and the cap unscrews to reveal a spout for dispensing the final product. It also stores enough for more than one session. All around, it’s a high-tech device with all the features you’ll need. (It comes in matte black, too.)

    As close to machine learning as the cannabis industry has come, Otto is a smart grinder that automatically determines the speed, direction, and power required to grind based on readings of what’s in its chamber, then deposits what it mills into a pre-roll cone. It’s not made for storing ground weed. It’s made for smoking freshly cut marijuana.

    Here you'll find six best electric weed grinders and pens that are all great, and that are also all tailored to a slightly different cannabis-ingesting need.