Dyson vacuum attachment removes stubborn stuck-on hair from carpets, cushions, draperies, and bedding counter-rotating brush heads, no brush bar for hair to wrap around auto adjusts to uneven surfaces staying in constant contact brushes reach full-width of the tool to clean up to edges and into corners fits: DC21, DC22, DC23, DC25, DC26, DC27, DC33, DC41, DC47, DC50, Dyson Ball, Ball Animal, Animal 2, Multifloor 2, BigBall, Cinetic BigBall, Light/Slim Ball, Small Ball, Supersonic, and V11 vacuums