Should have stated a bit more, as I certainly wasn't trying to steer people away. I know you didn't take it that way, but I wasn't really clear with my intent, other than stating, I don't like the hidden nature of the whole process, going on while smoking/vaping.
I had to laugh when I saw these. I don't doubt they are well-made and quite a bit of planning went into them. I just think its interesting, the contrast between the two and different paths. I know which I prefer... I like bubbles. I want to see them.
Plus, I think having an entire piece made out of metal, would bug me. Especially against my skin.