![Picture](/uploads/1/2/1/5/12157652/6428907.jpg?382)
- put on some safety goggles and gloves.
- wrap a string around a wine bottle four or five times and then tie it.
- fill a pot or kitchen sink with very cold water.
- soak the string in acetone (or nail polish remover) and put it around the bottle.
- light the string and rotate is as shown in the video.
- quickly put the bottle in the water when the acetone is about to go out.
- you may need to try again if it doesn't work the first time.
- use sandpaper or better yet, a dremel tool, to file the edges smooth. this is most important if you are making drinking glasses!