Twisted-In-Wire Brushes are also known as Bottle Brushes, Tube Brushes, or Spiral Brushes. They are named these things for the way they look and the things they clean. Twisted-In-Wire Brushes are made by taking a length of wire doubled over, placing bristle material in between the top and bottom of the doubled over wire, and twisting it up like a rubber band. The type of wire and bristle used will depend on your application – anywhere from cleaning to deburring.