Well you have to clean em and make sure you don't put concentrate into the little...
Here I'll take a picture. But like when you're spooning your concentrate in there's little breathe hole where it goes to your mouth. If you like use the edge to scrape it can go in the hole then it just drops away rather than getting vaped🤷🏽
I think the ones that look like bongs are probably better? Everyone loves those.
I got this thinking I could do flower too. But it doesn't.
They sell flower parts for it... But it just turns out into a dry pipe.
Like you need a lighter it won't vape...

