The Enameler introduces shade both by utilizing colored glass or by adding pigments to the glass ahead of firing. Once the glass melts and flows, it cools right into a challenging, smooth coating about the substrate. 'Considerably less is often more,' says Jennifer Verruto, founder and CEO of Blythe Interiors. https://www.watchesworld.com/exploring-the-aesthetics-of-dial-design-and-decoration/