Daiso Hair Stick Girl

The Daiso Hair Stick Holder allows you to create waves without a curling iron, and it costs only 1,000 won. Let me show you how to use it.

Just wrap it around slightly damp hair, and unwrap it when it feels dry. That's it. The downside is that you need to leave it on for about an hour for the curls to set. Even though it's a Daiso product, I think it's worth more than the price.