42-Pack Bendy Rollers Durable Foam Curler Roller Set Hair Bendy Curlers Tool DIY

Twist into a knot, wait for 30-60 minutes after the hair is put down, the hairstyle is complete. Take out a strand of hair, wrap it around a curling iron, straighten the hair and slowly roll it to the top of the head, and wrap all the hair on it.

eBay