The ridges and openings are what make it such a smooth dry piece and yes it sucks with water.It’s trial and error, a hammer is an option though.
I find it enjoyable ordering from China after many years of Fasttech.
Order, forget and never pay more than you can afford to lose.
That hammer is nice but the mouthpiece and the general bling makes my mind back away.
I have that and would say don't waste your money.
This is my fave dry glass piece we have a half a dozen or so.
I think of it as a fancy,dancy j-hook.
that top looks way to straight ... needs a bit more hook there you think ? you'd have to be bent over that thing all the time to make it work
But ..if you are a perfectionist, biao.t may disappoint. My piece has an off-center / not perfectly vertical downstem&perc, and a slightly off-center hole at the mouthpiece. These issues are diffcult to show in a photo and wil not be accepted by DHGate as reasons to return...a familiar story with China glass... I even asked him to choose a good piece so I can recommend him to the forum and he assured me it would be good...all bullshit of course. I will contact him to see what he has to say...
I would not expect an up and coming glower to make high end glass quality. He does a good job...but is not on the level of $300+ rigs yet. So to get that piece for so cheap....I would not complain about things not being perfect....its hand blown glass...not coming out of a stamped mold. lol
That said.....you got a lot for your $ with that piece and I would enjoy it with that in mind. Thanks for showing us the rig!