Nekuma Self Hair Curling Attachment for Dyson Supersonic Hair Dryer HD01 HD02 HD03 HD04 HD07 HD08, Double Directions Hair Curling Barrels Only, No Hair Dryer, 1.2 inch Diameter Description Hair Curling Attachment for Dyson, Compatible with Dyson Supersonic Hair Dryer HD01 HD02 HD03 HD04 HD07 HD08 HOW TO USE: 1. Blow your hair from wet to dry, prepare for curling; 2. Install the barrel, start your hair dryer, temperature: 3 gear, wind speed: 3 gear; If too hot, adjust temperature: 1 or 2 gears as you need; 3. Take a strand of hair, curl for 3-5s, then switch cold air mode for 5-10s to finalize hair waves, and then repeat the same method; 4. Choose the other side direction barrel and use the same method to style the hair on the other side. Brand new never used. $35 on Amazon