Color me curious, I sometimes have naughty dreams of that 16mm Liger on a little 10mm mini rig like this Leisure Incycler.
Even though nobody posts about the 16mm.
Was there a post in here about it? This is the only thing I have seen about it.
https://www.cca710.com/collections/liger-banger/products/obsidian-insert-for-liger-banger
I love Luke Wilson's glass! Always have. That one looks great!
The Obsidian insert is simply another aerospace ceramic (composition is not necessarily actual Obsidian, this may be a trademark/brand name rather than materials description) intended to replace SiC. SiC is patented by d-nail and so this makes sense. I'm quite interested to see how it goes, as Josh had a lot of very positive things to say about the R&D process and the intentions behind it. I would not be expecting it to necessarily outperform SiC, although time will tell, so would-be purchasers should keep this in mind: We do not know that this will be better than SiC yet, but at the least I'd expect it to be comparable - and we may find that it is more beneficial than SiC for one reason or another. It'll surely be better than quartz of course
I am aware that as a glass, Obsidian has very favorable radiant thermal conductivity at e-nail temps, which may assist in maintaining heat inside the liger bucket. It should be noted that obsidian is not as hard of a substance as SiC on the MOHS scale. If this new insert is indeed obsidian, then please be mindful not to be too aggressive with titanium tools.
I do note that naturally formed Obsidian glasses have been observed to crack at high temps from thermal shock, but the temps at which this was observed are beyond what anybody should ever use with an e-nail heater. Sadly, the authors of the relevant study do not want citations being provided without their permission so I will not link that one here (the research paper in question literally reads: DO NOT CITE WITHOUT PERMISSION OF AUTHORS on page 1).
Regardless, this should be no problem for anybody except maybe torch users who get very carried away with the heat application.
I promise to pay in a timely and considerate fashion. 
