I've been cutting layers in my hair like this for years. Didn't know about the short, medium, and long layer positioning though!
Sometimes, two styling products are better than one. Master the art of mixing and matching—aka “cocktailing”—your hair products with this easy to use guide.
25 Easy Long Shag Haircuts for Effortless Style Looks - Fashionetter
medium length hairstyles for straight hair - shoulder length hairstyle