Caapi leaf is all that SWIM has experimented with to this point, it looks like tobacco leaf, is very moderate and burns properly. He is been calling it "Changa" but almost certainly would be ideal(much more accurate)to confer with it as "Improved Leaf". Avatar artwork created by not known Cambodian https://judahynaoa.webdesign96.com/36964397/not-known-facts-about-changa-copyright-for-sale-australia