Where to buy a Bamboo water pipe in D1?

Where can I get one in or near d1? They were everywhere in Hanoi, but haven't seen them around much here. I think they're called điếu cày.

Hi Demonietto,
I think u can contact No. 01649664116 to buy " điếu cày"
Here is his facebook: facebook.com/thuoclaobac, with price in photo

Cheer!
Jame