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.