I have always wanted one of the buffalo horn from wildersol’s website- Whenever I looked at buying one the price seemed to increase. I remember when they were in the $60 range. Plus there were a couple other options for it too.
Eventually I made one out of a piece of Chestnut that I charred black and polished to a beautiful finish up to 4k grit. Hand carved the whole thing. Just no pressure release valve. Just not that fancy.
I picked up one of the fire pistons from Going Gear. Vulcan