Just do it intelligently to block it in a room and during that time, roughing another room, I mean by, depart chairs coffee table all that can interfere!; to the corners or it may enter, broom or cloth, bring everything in its path and I promise you that c is effective! for drawers under the beds, you otez a drawer and lay under the bed, c nikel !!! you can also place it on your wardrobe high! and please no !!!! my house has never been as clean !!!!