According to the shape of the hand designed to increase the grip of the brush firmly in the hands of the hand, easy to control the brush with the shutter blade close contact, compared to the towel, cleaning efficiency increased by 200%. Insert Mini-Blind Cleaner,one roller between each slat. Cleans slats on mini blinds easily. Move Mini-Blind Cleaner back and forth to wipe blinds clean. Remove Mini-Blind Cleaner from blind. Simply grasp the handle and run the soft brushes along the slats,fast and easy to use When roller becomes dirty, twist rollers to expose new cleaning surface.