To identify or select the ideal size cord for your keychains, you’ll need to consider a few factors, such as your personal preference, the pattern’s requirements, the thickness of your cords, and the type of cord chosen for your project. You’ll also need to distinguish the preferred thickness. For instance, thicker cords create a chunkier look, while thinner cords give a more delicate appearance. Ideally, a 2 mm to 4 mm cotton, jute, or hemp cord works wonders for most keychain creations. Read this article on The Complete Guide To Macrame Cords, which will fill you in all the juicy details you’ll need.