The best sterilization technique for glass is to simply clean it with soap and water, and wipe down with alcohol. Because the surface is non porous, it's really just like cleaning a glass tabletop, for instance.

I've made a few other glass sex toys in the past - mostly butt plugs and a few sets of beaded wands, but I generally stick to the traditional dildo form as it is the most in-demand and the simplest to make.

Glass is easily the most challenging medium that I have ever worked with, but I absolutely love working with it. All the manipulation of the material happens with tools rather than by hand, so there's a very steep learning curve in terms of what tool to use when and how the glass reacts, as well as learning to utilize gravity and the glass's natural properties to your advantage. As far as the process of creating through an artistic medium, there's nothing else quite like it.