1. Bottle Cutter: Adjustable Design – The adjustable hole design allows you to cut from both the bottom and the of glass bottles and mason jars, suitable for all round beer/wine/drinking glasses, glass cutter. 2. Glass Cutter: Easy to Use – Simply place a bottle or glass on the holder and confirm the position. Press and gently rotate the bottle to create a desired cutting line. Attach the rubber band on both sides of the cutting line, pour boiling water up to the cutting line, and add cold water a few seconds later to cut the bottle. Adjustable glass cutter. 3. Glass Bottle Cutter: Recycle glass bottles and jars, create various artworks, and beautify your space while making it more interesting, glass cutter. 4. Adjustable Bottle Cutter: Extended Length – Create cutting depths from 2 mm to 10 mm with this metal cutter, glass cutter. Easily craft your own glass sculptures, sun catchers, and ornaments.