Kief Sweeper Grinder Cleaning Brush  Description: The Kief Sweeper Brush is the ideal, chemical free way to keep your grinder clean!  The Kief Sweeper Brush is great for fast, easy cleanup of your grinder after each use. It will improve its performance and extend its life.  It's simple just twist the bristles into both sides of your grinder. Clean everything teeth, screen, underside of teeth and even the grooves, tackle every nook and cranny easily.  Specification:  Simply twist the bristles into both sides of your grinder to thoroughly clean the teeth, screen, underside of the teeth, and grooves. Reach every nook and cranny effortlessly with the Kief Sweeper Brush.