More to explore:
glass bottle bottoms
how to cut wine bottles with a dremmel
How to make "sea glass" for your DIY jewelry
How to Make Wine Bottle Wind Chime: 17 Steps (with Pictures). Edited by Gerard Plamenco, Laura. The hose clamp looks like a good idea.
How to Cut Wine Bottles - using a drill bit instead of glass cutter
Why get a glass cutter if you have a Dremel! A Dremel is a beautiful thing!
A good break down of Dremel parts and why/what for...
How to cut glass. Easy!
Cutting bottles on the side. Interesting.
I work with stained glass a lot and often use the bottoms of wine bottles in my windows. The bottles with the pushed in bottoms look really cool with the sun shining through.
How to cut a bottle with a dremel tool.
Cut bottles to make glasses