For my semi-long hair I was looking for a way to get more volume with as little effort. Blow-dry with round brush was not an option. The Jumboheizwickler from Babyliss are exactly right! Easy to use, very good result. The screwing takes after a little practice, only about 5 minutes. I let them always in there about 30 to 60 minutes. With a super result. I am very pleased!