The Nail is a bit different to use and it requires a slender and high dome. I bought the 18 mm Version and use it with double male adapter and that pulse glass dome (very cool and high quality dome! https://www.thickassglass.com/products/pulse-glass-straight-dome) on a 18mm rig.
And this is the way I recommend to use it. The rig itself should have a very generous air flow/pull. Then it works very nice and flavour is awesome. This quartz nail is made of high quality quartz, not cheap quartz! You'll notice that by use! Also stays very clean.
Wouldn't buy the 14 mm version because I expect them to have a too small air flow.