Quote Originally Posted by Dom View Post
Why is that shape so popular for oil, meaning the mouthpiece stem almost being part of the can?? Does that ever cause splashback?

Seems like a regular bub design would work well for these, but its not often used(regular bub meaning long can bubble on bottom and stem attached at the top of the can section.)
thats how my rig/bubs are ..your right you dont really see it too much tho.