Take the bungee cord strap with the neck roll portion of the pillow and find the end of the strap that has a slit in it.Locate the button on the main part of the pillow where the neck roll will be attached.Slide the button through the slit in the end of the bungee cord strap to attach it to the button.If you want the neck roll to sit higher on the main part of the pillow, wrap the bungee cord around the button until it is tight.Once the bungee cord is wrapped around the button, push the button through the slit in the end of the cord to secure it in place.This will keep the neck roll pillow attached securely to the main part of the husband pillow.