Create your own glass sculptures, solar sensors and ornaments easily with this metal cup Stronger and easier to use than plastic models, this heavy duty metal bottle cutter will make you cut bottles perfectly in 5 easy steps Simply place your bottle on the holder device, apply pressure, and rotate; heat the score on boiled water and cold water alternate three times. The results will amaze you, clean breaks almost every time. Even thick champagne bottles break easily and smoothly This glass bottle cutter takes a little time to get used to it, but once you get the job of it, you'll be able to reduce wine bottles easily. It could even make you feel better About everything the wines you drink and help you do your part for the environment, too. Instructions for use: 1. Place the bottle. 2. Bottle notation. 3. Heating the score line. 4. The separation of the bottle. 5. Smoothing edges