Favorite glass toy?

Informative topic breakdown of Glass dildo:

Glass Anal Plugs
Which to choose?

Your favorite glass toy?
Well, the topic pretty much says it all: what's your favorite glass toy? (Of any type, from dildos to plugs to...whatever other kinds of glass toys...

Ignoring aesthetics, which glass or steel toy is the best?
Ignoring aesthetics, which glass or steel toy is the best?

Maybe a weird question about glass....
I've never used one.. and its probably silly of me to think this, but how safe is it? I mean, could it break (inside)? I talked with my boyfriend...

Are glass dildos a harder material than hard plastic dildos?
I'm just exploring all about glass and want to learn as much as possible about it before buying, if I buy.