For those who are interested in the process of grinding leaf material automatically, a new invention has moved onto the market: The electric grinder. In most cases these devices have a battery-powered motor integrated, which lets little blades rotate on the inside. The normal purpose of shredding marijuana can be displaced with bigger jobs in the kitchen, if the product was not in the toy classement, and is a safety licensed construction. These grinders usually crumble the leaves so strong, that only finest powder will be the result.