Easy to Use and Durable: Hand-held glass cutter simple and easy operation.Put the bottle on the holder, apply constant medium pressure and twist the glass bottle, then a scuff of the bottle will appear after alternating between the hot water and cold water the glass bottle will be automatically separated and the crafts will finally be done. Fits Most Bottles: This glass bottle cutting machine is suitable for most bottles of different sizes and shapes, unless the bottle is embossed.The best part about this bottle cutter is that it can change the position of the blade, so you can even cut the thinnest middle part of the bottle.It applies to the round bottle, the small size surface and the big size of the square bottle, etc. DIY Creativity and Environmental Protection: Handmade creative creation can stimulate your imagination, ingenuity and practical ability, which will enhance your creative thinking and artistic sense. While decorating your unique and beautiful life, it also contributes to environmental protection, these bottles can be recycled rather than throwing away the bottles directly, thus protecting our environment to some extent.