Designed for use with a drill for rotation, these roto brushes train and stimulate hair growth when used as part of a daily care routine. The innovative copper bristles on the Copper Roto Brush offer natural antimicrobial properties and superior exfoliation to the hide to efficiently remove dead hair, dandruff, and dirt. The Mini Horse Hair has soft, nonabrasive horse hair bristles that enhance shine by distributing natural oils. Great for use on cattle, sheep, and goats' legs for maximum body and volume.