Dip a piece of string into rubbing alcohol. Tightly tie the string around the exact area of the wine bottle where you want to make your cut. Light a match, set the string on fire and let the string burn out. Pick up the bottle (avoiding the hot areas) and drop it into a bucket of cold water.
How do you cut a glass bottle without breaking it?
What tool can cut glass?
Glass cutters and sharp knives are popular tools to cut or score glass and other materials. Saw blades can also be used for cutting thick glass sheets.
How do you cut a wine bottle without a glass cutter?
Wrap 5 or 6 times the cotton string around the bottle. Tie and cut loose ends of the cotton string. Remove the cotton string and soak it in acetone. Slide back the cotton string onto the bottle where you want it to break.