Use flexible, durable and completely reusable hair highlighting cap, get professional style highlight at home. The Cap is made from high grade silicone that is shaped for a comfortable fit. Supplied with a rounded metal hook, use for pulling the hairs out, then coloring. The cap is supplied with a rounded metal hook that is used to pull your hair through the ready made perforations in the cap. When using cap first time you have to pierce the holes with sharp end of tipping needle.