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The Otto by Banana Bros can even fill joints for you. Get this premium grinder for less while you can.

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If you want to make the most of your flower — whether you use a bong, a weed vape, prefer to roll joints or some combination therein — you're going to want to start using a weed grinder. And while manual grinders can typically get the job done pretty well, there's definitely something to be said for the convenience of an electric grinder — especially if that grinder is the Otto by Banana Bros, which is our top pick and just so happens to be on sale right now.

This is a lot more than just a battery-powered weed (and herb) grinder. It actually uses AI tech to consistently and expertly grind up your bud. It's also designed to help reduce waste. And, perhaps best of all, it will actually fill your joints (or cones, more accurately) for you — making rolling one up a lot easier and less messy than normal. Normally priced at $160, the Otto by Banana Bros grinder is down to just $133 for a limited time (and it won't stay at this price for long), so pick it up while you can for less.