I used the heat stone from my vg glass bat after dropping my bat on hard tile floor breaking it in half. It sucks that I broke the bat but it forced me to piece together something even better IMO. I ordered the mini bong with a 14 mm female connection and 18 mm female to 14 male adapter from dh gate . I think the bong was 30$ and the adapter/bowl piece was 5$. I had an old steel mesh screen from a box whip that I used for inside the bowl. I also used a 18 mm to 14 mm reducer that I got from...
VG Magic Lamp
VG Magic Lamp